src/test/ui/symbol-names/issue-60925.rs

   1 // ignore-tidy-linelength
   2 // revisions: legacy v0
   3 //[legacy]compile-flags: -Z symbol-mangling-version=legacy
   4     //[v0]compile-flags: -Z symbol-mangling-version=v0
   5
   6 #![feature(rustc_attrs)]
   7
   8 // This test is the same code as in ui/issue-53912.rs but this test checks that the symbol mangling
   9 // fix produces the correct result, whereas that test just checks that the reproduction compiles
  10 // successfully and doesn't crash LLVM
  11
  12 fn dummy() {}
  13
  14 mod llvm {
  15     pub(crate) struct Foo;
  16 }
  17 mod foo {
  18     pub(crate) struct Foo<T>(T);
  19
  20     impl Foo<::llvm::Foo> {
  21         #[rustc_symbol_name]
  22         //[legacy]~^ ERROR symbol-name(_ZN11issue_609253foo36Foo$LT$issue_60925..llv$6d$..Foo$GT$3foo
  23         //[legacy]~| ERROR demangling(issue_60925::foo::Foo<issue_60925::llv$6d$..Foo$GT$::foo
  24         //[legacy]~| ERROR demangling-alt(issue_60925::foo::Foo<issue_60925::llv$6d$..Foo$GT$::foo)
  25          //[v0]~^^^^ ERROR symbol-name(_RNvMNtCs4fqI2P2rA04_11issue_609253fooINtB2_3FooNtNtB4_4llvm3FooE3foo)
  26             //[v0]~| ERROR demangling(<issue_60925[317d481089b8c8fe]::foo::Foo<issue_60925[317d481089b8c8fe]::llvm::Foo>>::foo)
  27             //[v0]~| ERROR demangling-alt(<issue_60925::foo::Foo<issue_60925::llvm::Foo>>::foo)
  28         pub(crate) fn foo() {
  29             for _ in 0..0 {
  30                 for _ in &[::dummy()] {
  31                     ::dummy();
  32                     ::dummy();
  33                     ::dummy();
  34                 }
  35             }
  36         }
  37     }
  38
  39     pub(crate) fn foo() {
  40         Foo::foo();
  41         Foo::foo();
  42     }
  43 }
  44
  45 pub fn foo() {
  46     foo::foo();
  47 }
  48
  49 fn main() {}