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Add test for const generics demangling

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This commit is contained in:
varkor 2020-10-07 21:17:07 +01:00
parent 2b9d22d3a9
commit a797801532
2 changed files with 112 additions and 0 deletions
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38
src/test/ui/symbol-names/const-generics-demangling.rs Normal file
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@ -0,0 +1,38 @@
// build-fail
// compile-flags: -Z symbol-mangling-version=v0
#![feature(min_const_generics, rustc_attrs)]
pub struct Unsigned<const F: u8>;
#[rustc_symbol_name]
//~^ ERROR symbol-name(_RMCs4fqI2P2rA04_25const_generics_demanglingINtB0_8UnsignedKhb_E)
//~| ERROR demangling(<const_generics_demangling[317d481089b8c8fe]::Unsigned<11: u8>>)
//~| ERROR demangling-alt(<const_generics_demangling::Unsigned<11>>)
impl Unsigned<11> {}
pub struct Signed<const F: i16>;
#[rustc_symbol_name]
//~^ ERROR symbol-name(_RMs_Cs4fqI2P2rA04_25const_generics_demanglingINtB2_6SignedKsn98_E)
//~| ERROR demangling(<const_generics_demangling[317d481089b8c8fe]::Signed<-152: i16>>)
//~| ERROR demangling-alt(<const_generics_demangling::Signed<-152>>)
impl Signed<-152> {}
pub struct Bool<const F: bool>;
#[rustc_symbol_name]
//~^ ERROR symbol-name(_RMs0_Cs4fqI2P2rA04_25const_generics_demanglingINtB3_4BoolKb1_E)
//~| ERROR demangling(<const_generics_demangling[317d481089b8c8fe]::Bool<true: bool>>)
//~| ERROR demangling-alt(<const_generics_demangling::Bool<true>>)
impl Bool<true> {}
pub struct Char<const F: char>;
#[rustc_symbol_name]
//~^ ERROR symbol-name(_RMs1_Cs4fqI2P2rA04_25const_generics_demanglingINtB3_4CharKc2202_E)
//~| ERROR demangling(<const_generics_demangling[317d481089b8c8fe]::Char<'∂': char>>)
//~| ERROR demangling-alt(<const_generics_demangling::Char<'∂'>>)
impl Char<'∂'> {}
fn main() {}

74
src/test/ui/symbol-names/const-generics-demangling.stderr Normal file
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error: symbol-name(_RMCs4fqI2P2rA04_25const_generics_demanglingINtB0_8UnsignedKhb_E)
--> $DIR/const-generics-demangling.rs:8:1
|
LL | #[rustc_symbol_name]
| ^^^^^^^^^^^^^^^^^^^^
error: demangling(<const_generics_demangling[317d481089b8c8fe]::Unsigned<11: u8>>)
--> $DIR/const-generics-demangling.rs:8:1
|
LL | #[rustc_symbol_name]
| ^^^^^^^^^^^^^^^^^^^^
error: demangling-alt(<const_generics_demangling::Unsigned<11>>)
--> $DIR/const-generics-demangling.rs:8:1
|
LL | #[rustc_symbol_name]
| ^^^^^^^^^^^^^^^^^^^^
error: symbol-name(_RMs_Cs4fqI2P2rA04_25const_generics_demanglingINtB2_6SignedKsn98_E)
--> $DIR/const-generics-demangling.rs:16:1
|
LL | #[rustc_symbol_name]
| ^^^^^^^^^^^^^^^^^^^^
error: demangling(<const_generics_demangling[317d481089b8c8fe]::Signed<-152: i16>>)
--> $DIR/const-generics-demangling.rs:16:1
|
LL | #[rustc_symbol_name]
| ^^^^^^^^^^^^^^^^^^^^
error: demangling-alt(<const_generics_demangling::Signed<-152>>)
--> $DIR/const-generics-demangling.rs:16:1
|
LL | #[rustc_symbol_name]
| ^^^^^^^^^^^^^^^^^^^^
error: symbol-name(_RMs0_Cs4fqI2P2rA04_25const_generics_demanglingINtB3_4BoolKb1_E)
--> $DIR/const-generics-demangling.rs:24:1
|
LL | #[rustc_symbol_name]
| ^^^^^^^^^^^^^^^^^^^^
error: demangling(<const_generics_demangling[317d481089b8c8fe]::Bool<true: bool>>)
--> $DIR/const-generics-demangling.rs:24:1
|
LL | #[rustc_symbol_name]
| ^^^^^^^^^^^^^^^^^^^^
error: demangling-alt(<const_generics_demangling::Bool<true>>)
--> $DIR/const-generics-demangling.rs:24:1
|
LL | #[rustc_symbol_name]
| ^^^^^^^^^^^^^^^^^^^^
error: symbol-name(_RMs1_Cs4fqI2P2rA04_25const_generics_demanglingINtB3_4CharKc2202_E)
--> $DIR/const-generics-demangling.rs:32:1
|
LL | #[rustc_symbol_name]
| ^^^^^^^^^^^^^^^^^^^^
error: demangling(<const_generics_demangling[317d481089b8c8fe]::Char<'∂': char>>)
--> $DIR/const-generics-demangling.rs:32:1
|
LL | #[rustc_symbol_name]
| ^^^^^^^^^^^^^^^^^^^^
error: demangling-alt(<const_generics_demangling::Char<'∂'>>)
--> $DIR/const-generics-demangling.rs:32:1
|
LL | #[rustc_symbol_name]
| ^^^^^^^^^^^^^^^^^^^^
error: aborting due to 12 previous errors