Add a regression test for issue-75801

This commit is contained in:
JohnTitor 2021-03-30 17:02:23 +09:00
parent 32d3276561
commit 4f2c25a998
3 changed files with 44 additions and 0 deletions

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// force-host
// no-prefer-dynamic
#![crate_type = "proc-macro"]
extern crate proc_macro;
use proc_macro::TokenStream;
#[proc_macro_attribute]
pub fn foo(_args: TokenStream, item: TokenStream) -> TokenStream {
item
}

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// aux-build: issue-75801.rs
// Regression test for #75801.
#[macro_use]
extern crate issue_75801;
macro_rules! foo {
($arg:expr) => {
#[foo]
fn bar() {
let _bar: u32 = $arg;
}
};
}
foo!("baz"); //~ ERROR: mismatched types [E0308]
fn main() {}

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error[E0308]: mismatched types
--> $DIR/issue-75801.rs:17:6
|
LL | let _bar: u32 = $arg;
| --- expected due to this
...
LL | foo!("baz");
| ^^^^^ expected `u32`, found `&str`
error: aborting due to previous error
For more information about this error, try `rustc --explain E0308`.