| // Regression test for #66975 - ensure that we don't keep unevaluated |
| // `!`-typed constants until codegen. |
| |
| // Force generation of optimized mir for functions that do not reach codegen. |
| // compile-flags: --emit mir,link |
| |
| #![feature(const_panic)] |
| |
| struct PrintName<T>(T); |
| |
| impl<T> PrintName<T> { |
| const VOID: ! = panic!(); |
| } |
| |
| fn no_codegen<T>() { |
| let _ = PrintName::<T>::VOID; |
| } |
| |
| fn main() {} |
| |
| // END RUST SOURCE |
| // START rustc.no_codegen.PreCodegen.after.mir |
| // bb0: { |
| // StorageLive(_1); |
| // _1 = const PrintName::<T>::VOID; |
| // unreachable; |
| // } |
| // END rustc.no_codegen.PreCodegen.after.mir |
