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Rollup merge of #112683 - asquared31415:asm_clobber_ice, r=compiler-errors
fix ICE on specific malformed asm clobber_abi fixes #112635
This commit is contained in:
Matthias Krüger
GitHub
commit
7051c84326
@ -379,16 +379,12 @@ fn parse_clobber_abi<'a>(p: &mut Parser<'a>, args: &mut AsmArgs) -> PResult<'a,
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}
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let mut new_abis = Vec::new();
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loop {
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while !p.eat(&token::CloseDelim(Delimiter::Parenthesis)) {
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match p.parse_str_lit() {
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Ok(str_lit) => {
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new_abis.push((str_lit.symbol_unescaped, str_lit.span));
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}
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Err(opt_lit) => {
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// If the non-string literal is a closing paren then it's the end of the list and is fine
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if p.eat(&token::CloseDelim(Delimiter::Parenthesis)) {
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break;
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}
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let span = opt_lit.map_or(p.token.span, |lit| lit.span);
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let mut err =
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p.sess.span_diagnostic.struct_span_err(span, "expected string literal");
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@ -1,4 +1,4 @@
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// only-x86_64
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// needs-asm-support
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#![feature(asm_const)]
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@ -38,6 +38,9 @@ fn main() {
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//~^ ERROR expected one of
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asm!("{}", options(), const foo);
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//~^ ERROR attempt to use a non-constant value in a constant
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// test that asm!'s clobber_abi doesn't accept non-string literals
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// see also https://github.com/rust-lang/rust/issues/112635
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asm!("", clobber_abi());
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//~^ ERROR at least one abi must be provided
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asm!("", clobber_abi(foo));
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@ -46,6 +49,25 @@ fn main() {
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//~^ ERROR expected one of `)` or `,`, found `foo`
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asm!("", clobber_abi("C", foo));
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//~^ ERROR expected string literal
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asm!("", clobber_abi(1));
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//~^ ERROR expected string literal
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asm!("", clobber_abi(()));
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//~^ ERROR expected string literal
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asm!("", clobber_abi(uwu));
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//~^ ERROR expected string literal
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asm!("", clobber_abi({}));
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//~^ ERROR expected string literal
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asm!("", clobber_abi(loop {}));
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//~^ ERROR expected string literal
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asm!("", clobber_abi(if));
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//~^ ERROR expected string literal
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asm!("", clobber_abi(do));
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//~^ ERROR expected string literal
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asm!("", clobber_abi(<));
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//~^ ERROR expected string literal
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asm!("", clobber_abi(.));
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//~^ ERROR expected string literal
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asm!("{}", clobber_abi("C"), const foo);
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//~^ ERROR attempt to use a non-constant value in a constant
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asm!("", options(), clobber_abi("C"));
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@ -56,15 +78,7 @@ fn main() {
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//~^^ ERROR argument never used
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//~^^^ ERROR attempt to use a non-constant value in a constant
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//~^^^^ ERROR attempt to use a non-constant value in a constant
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asm!("", a = in("eax") foo);
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//~^ ERROR explicit register arguments cannot have names
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asm!("{a}", in("eax") foo, a = const bar);
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//~^ ERROR attempt to use a non-constant value in a constant
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asm!("{a}", in("eax") foo, a = const bar);
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//~^ ERROR attempt to use a non-constant value in a constant
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asm!("{1}", in("eax") foo, const bar);
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//~^ ERROR positional arguments cannot follow named arguments or explicit register arguments
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//~^^ ERROR attempt to use a non-constant value in a constant
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asm!("", options(), "");
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//~^ ERROR expected one of
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asm!("{}", in(reg) foo, "{}", out(reg) foo);
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@ -83,31 +83,85 @@ LL | asm!("", options(nomem, foo));
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| ^^^ expected one of 10 possible tokens
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error: at least one abi must be provided as an argument to `clobber_abi`
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--> $DIR/parse-error.rs:41:30
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--> $DIR/parse-error.rs:44:30
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LL | asm!("", clobber_abi());
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| ^
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error: expected string literal
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--> $DIR/parse-error.rs:43:30
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--> $DIR/parse-error.rs:46:30
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LL | asm!("", clobber_abi(foo));
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| ^^^ not a string literal
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error: expected one of `)` or `,`, found `foo`
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--> $DIR/parse-error.rs:45:34
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--> $DIR/parse-error.rs:48:34
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LL | asm!("", clobber_abi("C" foo));
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| ^^^ expected one of `)` or `,`
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error: expected string literal
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--> $DIR/parse-error.rs:47:35
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--> $DIR/parse-error.rs:50:35
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LL | asm!("", clobber_abi("C", foo));
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| ^^^ not a string literal
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error: expected string literal
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--> $DIR/parse-error.rs:52:30
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LL | asm!("", clobber_abi(1));
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| ^ not a string literal
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error: expected string literal
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--> $DIR/parse-error.rs:54:30
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LL | asm!("", clobber_abi(()));
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| ^ not a string literal
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error: expected string literal
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--> $DIR/parse-error.rs:56:30
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LL | asm!("", clobber_abi(uwu));
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| ^^^ not a string literal
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error: expected string literal
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--> $DIR/parse-error.rs:58:30
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LL | asm!("", clobber_abi({}));
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| ^ not a string literal
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error: expected string literal
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--> $DIR/parse-error.rs:60:30
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LL | asm!("", clobber_abi(loop {}));
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| ^^^^ not a string literal
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error: expected string literal
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--> $DIR/parse-error.rs:62:30
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LL | asm!("", clobber_abi(if));
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| ^^ not a string literal
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error: expected string literal
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--> $DIR/parse-error.rs:64:30
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LL | asm!("", clobber_abi(do));
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| ^^ not a string literal
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error: expected string literal
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--> $DIR/parse-error.rs:66:30
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LL | asm!("", clobber_abi(<));
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| ^ not a string literal
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error: expected string literal
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--> $DIR/parse-error.rs:68:30
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LL | asm!("", clobber_abi(.));
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| ^ not a string literal
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error: duplicate argument named `a`
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--> $DIR/parse-error.rs:54:36
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--> $DIR/parse-error.rs:76:36
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LL | asm!("{a}", a = const foo, a = const bar);
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| ------------- ^^^^^^^^^^^^^ duplicate argument
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@ -115,41 +169,27 @@ LL | asm!("{a}", a = const foo, a = const bar);
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| previously here
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error: argument never used
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--> $DIR/parse-error.rs:54:36
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--> $DIR/parse-error.rs:76:36
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LL | asm!("{a}", a = const foo, a = const bar);
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| ^^^^^^^^^^^^^ argument never used
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= help: if this argument is intentionally unused, consider using it in an asm comment: `"/* {1} */"`
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error: explicit register arguments cannot have names
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--> $DIR/parse-error.rs:59:18
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LL | asm!("", a = in("eax") foo);
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| ^^^^^^^^^^^^^^^^^
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error: positional arguments cannot follow named arguments or explicit register arguments
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--> $DIR/parse-error.rs:65:36
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LL | asm!("{1}", in("eax") foo, const bar);
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| ------------- ^^^^^^^^^ positional argument
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| |
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| explicit register argument
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error: expected one of `clobber_abi`, `const`, `in`, `inlateout`, `inout`, `lateout`, `options`, `out`, or `sym`, found `""`
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--> $DIR/parse-error.rs:68:29
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--> $DIR/parse-error.rs:82:29
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LL | asm!("", options(), "");
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| ^^ expected one of 9 possible tokens
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error: expected one of `clobber_abi`, `const`, `in`, `inlateout`, `inout`, `lateout`, `options`, `out`, or `sym`, found `"{}"`
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--> $DIR/parse-error.rs:70:33
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--> $DIR/parse-error.rs:84:33
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LL | asm!("{}", in(reg) foo, "{}", out(reg) foo);
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| ^^^^ expected one of 9 possible tokens
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error: asm template must be a string literal
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--> $DIR/parse-error.rs:72:14
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--> $DIR/parse-error.rs:86:14
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LL | asm!(format!("{{{}}}", 0), in(reg) foo);
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| ^^^^^^^^^^^^^^^^^^^^
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@ -157,7 +197,7 @@ LL | asm!(format!("{{{}}}", 0), in(reg) foo);
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= note: this error originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info)
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error: asm template must be a string literal
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--> $DIR/parse-error.rs:74:21
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--> $DIR/parse-error.rs:88:21
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LL | asm!("{1}", format!("{{{}}}", 0), in(reg) foo, out(reg) bar);
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| ^^^^^^^^^^^^^^^^^^^^
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@ -165,121 +205,121 @@ LL | asm!("{1}", format!("{{{}}}", 0), in(reg) foo, out(reg) bar);
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= note: this error originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info)
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error: _ cannot be used for input operands
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--> $DIR/parse-error.rs:76:28
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--> $DIR/parse-error.rs:90:28
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LL | asm!("{}", in(reg) _);
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| ^
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error: _ cannot be used for input operands
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--> $DIR/parse-error.rs:78:31
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--> $DIR/parse-error.rs:92:31
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LL | asm!("{}", inout(reg) _);
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| ^
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error: _ cannot be used for input operands
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--> $DIR/parse-error.rs:80:35
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--> $DIR/parse-error.rs:94:35
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LL | asm!("{}", inlateout(reg) _);
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| ^
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error: requires at least a template string argument
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--> $DIR/parse-error.rs:87:1
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--> $DIR/parse-error.rs:101:1
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LL | global_asm!();
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| ^^^^^^^^^^^^^
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error: asm template must be a string literal
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--> $DIR/parse-error.rs:89:13
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--> $DIR/parse-error.rs:103:13
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LL | global_asm!(FOO);
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| ^^^
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error: expected token: `,`
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--> $DIR/parse-error.rs:91:18
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--> $DIR/parse-error.rs:105:18
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LL | global_asm!("{}" FOO);
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| ^^^ expected `,`
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error: expected operand, options, or additional template string
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--> $DIR/parse-error.rs:93:19
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--> $DIR/parse-error.rs:107:19
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LL | global_asm!("{}", FOO);
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| ^^^ expected operand, options, or additional template string
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error: expected expression, found end of macro arguments
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--> $DIR/parse-error.rs:95:24
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--> $DIR/parse-error.rs:109:24
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|
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LL | global_asm!("{}", const);
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| ^ expected expression
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error: expected one of `,`, `.`, `?`, or an operator, found `FOO`
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--> $DIR/parse-error.rs:97:30
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--> $DIR/parse-error.rs:111:30
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|
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LL | global_asm!("{}", const(reg) FOO);
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| ^^^ expected one of `,`, `.`, `?`, or an operator
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error: expected one of `)`, `att_syntax`, or `raw`, found `FOO`
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--> $DIR/parse-error.rs:99:25
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--> $DIR/parse-error.rs:113:25
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|
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LL | global_asm!("", options(FOO));
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| ^^^ expected one of `)`, `att_syntax`, or `raw`
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error: expected one of `)`, `att_syntax`, or `raw`, found `nomem`
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--> $DIR/parse-error.rs:101:25
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--> $DIR/parse-error.rs:115:25
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|
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LL | global_asm!("", options(nomem FOO));
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| ^^^^^ expected one of `)`, `att_syntax`, or `raw`
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error: expected one of `)`, `att_syntax`, or `raw`, found `nomem`
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--> $DIR/parse-error.rs:103:25
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--> $DIR/parse-error.rs:117:25
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|
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LL | global_asm!("", options(nomem, FOO));
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| ^^^^^ expected one of `)`, `att_syntax`, or `raw`
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error: expected string literal
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--> $DIR/parse-error.rs:106:29
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--> $DIR/parse-error.rs:120:29
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|
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LL | global_asm!("", clobber_abi(FOO));
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| ^^^ not a string literal
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error: expected one of `)` or `,`, found `FOO`
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--> $DIR/parse-error.rs:108:33
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--> $DIR/parse-error.rs:122:33
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|
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LL | global_asm!("", clobber_abi("C" FOO));
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| ^^^ expected one of `)` or `,`
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error: expected string literal
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--> $DIR/parse-error.rs:110:34
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--> $DIR/parse-error.rs:124:34
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|
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LL | global_asm!("", clobber_abi("C", FOO));
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| ^^^ not a string literal
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error: `clobber_abi` cannot be used with `global_asm!`
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--> $DIR/parse-error.rs:112:19
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--> $DIR/parse-error.rs:126:19
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|
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LL | global_asm!("{}", clobber_abi("C"), const FOO);
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| ^^^^^^^^^^^^^^^^
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error: `clobber_abi` cannot be used with `global_asm!`
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--> $DIR/parse-error.rs:114:28
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--> $DIR/parse-error.rs:128:28
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|
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LL | global_asm!("", options(), clobber_abi("C"));
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| ^^^^^^^^^^^^^^^^
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error: `clobber_abi` cannot be used with `global_asm!`
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--> $DIR/parse-error.rs:116:30
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--> $DIR/parse-error.rs:130:30
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|
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LL | global_asm!("{}", options(), clobber_abi("C"), const FOO);
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| ^^^^^^^^^^^^^^^^
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error: `clobber_abi` cannot be used with `global_asm!`
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--> $DIR/parse-error.rs:118:17
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--> $DIR/parse-error.rs:132:17
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|
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LL | global_asm!("", clobber_abi("C"), clobber_abi("C"));
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| ^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^
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error: duplicate argument named `a`
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--> $DIR/parse-error.rs:120:35
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--> $DIR/parse-error.rs:134:35
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|
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LL | global_asm!("{a}", a = const FOO, a = const BAR);
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| ------------- ^^^^^^^^^^^^^ duplicate argument
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@ -287,7 +327,7 @@ LL | global_asm!("{a}", a = const FOO, a = const BAR);
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| previously here
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error: argument never used
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--> $DIR/parse-error.rs:120:35
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--> $DIR/parse-error.rs:134:35
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|
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LL | global_asm!("{a}", a = const FOO, a = const BAR);
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| ^^^^^^^^^^^^^ argument never used
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@ -295,19 +335,19 @@ LL | global_asm!("{a}", a = const FOO, a = const BAR);
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= help: if this argument is intentionally unused, consider using it in an asm comment: `"/* {1} */"`
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error: expected one of `clobber_abi`, `const`, `options`, or `sym`, found `""`
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--> $DIR/parse-error.rs:123:28
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--> $DIR/parse-error.rs:137:28
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|
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LL | global_asm!("", options(), "");
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| ^^ expected one of `clobber_abi`, `const`, `options`, or `sym`
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error: expected one of `clobber_abi`, `const`, `options`, or `sym`, found `"{}"`
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--> $DIR/parse-error.rs:125:30
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--> $DIR/parse-error.rs:139:30
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|
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LL | global_asm!("{}", const FOO, "{}", const FOO);
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| ^^^^ expected one of `clobber_abi`, `const`, `options`, or `sym`
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error: asm template must be a string literal
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--> $DIR/parse-error.rs:127:13
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--> $DIR/parse-error.rs:141:13
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|
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LL | global_asm!(format!("{{{}}}", 0), const FOO);
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| ^^^^^^^^^^^^^^^^^^^^
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@ -315,7 +355,7 @@ LL | global_asm!(format!("{{{}}}", 0), const FOO);
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= note: this error originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info)
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error: asm template must be a string literal
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--> $DIR/parse-error.rs:129:20
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--> $DIR/parse-error.rs:143:20
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|
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LL | global_asm!("{1}", format!("{{{}}}", 0), const FOO, const BAR);
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| ^^^^^^^^^^^^^^^^^^^^
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@ -332,7 +372,7 @@ LL | asm!("{}", options(), const foo);
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| ^^^ non-constant value
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error[E0435]: attempt to use a non-constant value in a constant
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--> $DIR/parse-error.rs:49:44
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--> $DIR/parse-error.rs:71:44
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|
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LL | let mut foo = 0;
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| ----------- help: consider using `const` instead of `let`: `const foo`
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@ -341,7 +381,7 @@ LL | asm!("{}", clobber_abi("C"), const foo);
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| ^^^ non-constant value
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error[E0435]: attempt to use a non-constant value in a constant
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--> $DIR/parse-error.rs:52:55
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--> $DIR/parse-error.rs:74:55
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|
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LL | let mut foo = 0;
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| ----------- help: consider using `const` instead of `let`: `const foo`
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@ -350,7 +390,7 @@ LL | asm!("{}", options(), clobber_abi("C"), const foo);
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| ^^^ non-constant value
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|
||||
error[E0435]: attempt to use a non-constant value in a constant
|
||||
--> $DIR/parse-error.rs:54:31
|
||||
--> $DIR/parse-error.rs:76:31
|
||||
|
|
||||
LL | let mut foo = 0;
|
||||
| ----------- help: consider using `const` instead of `let`: `const foo`
|
||||
@ -359,7 +399,7 @@ LL | asm!("{a}", a = const foo, a = const bar);
|
||||
| ^^^ non-constant value
|
||||
|
||||
error[E0435]: attempt to use a non-constant value in a constant
|
||||
--> $DIR/parse-error.rs:54:46
|
||||
--> $DIR/parse-error.rs:76:46
|
||||
|
|
||||
LL | let mut bar = 0;
|
||||
| ----------- help: consider using `const` instead of `let`: `const bar`
|
||||
@ -367,33 +407,6 @@ LL | let mut bar = 0;
|
||||
LL | asm!("{a}", a = const foo, a = const bar);
|
||||
| ^^^ non-constant value
|
||||
|
||||
error[E0435]: attempt to use a non-constant value in a constant
|
||||
--> $DIR/parse-error.rs:61:46
|
||||
|
|
||||
LL | let mut bar = 0;
|
||||
| ----------- help: consider using `const` instead of `let`: `const bar`
|
||||
...
|
||||
LL | asm!("{a}", in("eax") foo, a = const bar);
|
||||
| ^^^ non-constant value
|
||||
|
||||
error[E0435]: attempt to use a non-constant value in a constant
|
||||
--> $DIR/parse-error.rs:63:46
|
||||
|
|
||||
LL | let mut bar = 0;
|
||||
| ----------- help: consider using `const` instead of `let`: `const bar`
|
||||
...
|
||||
LL | asm!("{a}", in("eax") foo, a = const bar);
|
||||
| ^^^ non-constant value
|
||||
|
||||
error[E0435]: attempt to use a non-constant value in a constant
|
||||
--> $DIR/parse-error.rs:65:42
|
||||
|
|
||||
LL | let mut bar = 0;
|
||||
| ----------- help: consider using `const` instead of `let`: `const bar`
|
||||
...
|
||||
LL | asm!("{1}", in("eax") foo, const bar);
|
||||
| ^^^ non-constant value
|
||||
|
||||
error: aborting due to 59 previous errors
|
||||
error: aborting due to 63 previous errors
|
||||
|
||||
For more information about this error, try `rustc --explain E0435`.
|
||||
21
tests/ui/asm/x86_64/x86_64_parse_error.rs
Normal file
21
tests/ui/asm/x86_64/x86_64_parse_error.rs
Normal file
@ -0,0 +1,21 @@
|
||||
// only-x86_64
|
||||
|
||||
#![feature(asm_const)]
|
||||
|
||||
use std::arch::asm;
|
||||
|
||||
fn main() {
|
||||
let mut foo = 0;
|
||||
let mut bar = 0;
|
||||
unsafe {
|
||||
asm!("", a = in("eax") foo);
|
||||
//~^ ERROR explicit register arguments cannot have names
|
||||
asm!("{a}", in("eax") foo, a = const bar);
|
||||
//~^ ERROR attempt to use a non-constant value in a constant
|
||||
asm!("{a}", in("eax") foo, a = const bar);
|
||||
//~^ ERROR attempt to use a non-constant value in a constant
|
||||
asm!("{1}", in("eax") foo, const bar);
|
||||
//~^ ERROR positional arguments cannot follow named arguments or explicit register arguments
|
||||
//~^^ ERROR attempt to use a non-constant value in a constant
|
||||
}
|
||||
}
|
||||
44
tests/ui/asm/x86_64/x86_64_parse_error.stderr
Normal file
44
tests/ui/asm/x86_64/x86_64_parse_error.stderr
Normal file
@ -0,0 +1,44 @@
|
||||
error: explicit register arguments cannot have names
|
||||
--> $DIR/x86_64_parse_error.rs:11:18
|
||||
|
|
||||
LL | asm!("", a = in("eax") foo);
|
||||
| ^^^^^^^^^^^^^^^^^
|
||||
|
||||
error: positional arguments cannot follow named arguments or explicit register arguments
|
||||
--> $DIR/x86_64_parse_error.rs:17:36
|
||||
|
|
||||
LL | asm!("{1}", in("eax") foo, const bar);
|
||||
| ------------- ^^^^^^^^^ positional argument
|
||||
| |
|
||||
| explicit register argument
|
||||
|
||||
error[E0435]: attempt to use a non-constant value in a constant
|
||||
--> $DIR/x86_64_parse_error.rs:13:46
|
||||
|
|
||||
LL | let mut bar = 0;
|
||||
| ----------- help: consider using `const` instead of `let`: `const bar`
|
||||
...
|
||||
LL | asm!("{a}", in("eax") foo, a = const bar);
|
||||
| ^^^ non-constant value
|
||||
|
||||
error[E0435]: attempt to use a non-constant value in a constant
|
||||
--> $DIR/x86_64_parse_error.rs:15:46
|
||||
|
|
||||
LL | let mut bar = 0;
|
||||
| ----------- help: consider using `const` instead of `let`: `const bar`
|
||||
...
|
||||
LL | asm!("{a}", in("eax") foo, a = const bar);
|
||||
| ^^^ non-constant value
|
||||
|
||||
error[E0435]: attempt to use a non-constant value in a constant
|
||||
--> $DIR/x86_64_parse_error.rs:17:42
|
||||
|
|
||||
LL | let mut bar = 0;
|
||||
| ----------- help: consider using `const` instead of `let`: `const bar`
|
||||
...
|
||||
LL | asm!("{1}", in("eax") foo, const bar);
|
||||
| ^^^ non-constant value
|
||||
|
||||
error: aborting due to 5 previous errors
|
||||
|
||||
For more information about this error, try `rustc --explain E0435`.
|
||||
Loading…
Reference in New Issue
Block a user