rust/tests/ui/target-feature/missing-plusminus-2.rs

//@ compile-flags: -Ctarget-feature=rdrand --crate-type=rlib --target=x86_64-unknown-linux-gnu
//@ build-pass
//@ needs-llvm-components: x86

#![feature(no_core)]
#![no_core]

//~? WARN unknown feature specified for `-Ctarget-feature`: `rdrand`
[AUTO-GENERATED] Migrate ui tests from `//` to `//@` directives 2024-02-16 20:02:50 +00:00			`//@ compile-flags: -Ctarget-feature=rdrand --crate-type=rlib --target=x86_64-unknown-linux-gnu`
			`//@ build-pass`
			`//@ needs-llvm-components: x86`
Do not pass through features without +/- prefix LLVM really dislikes this and will assert, saying something along the lines of: ``` rustc: llvm/lib/MC/MCSubtargetInfo.cpp:60: void ApplyFeatureFlag( llvm::FeatureBitset&, llvm::StringRef, llvm::ArrayRef<llvm::SubtargetFeatureKV> ): Assertion `SubtargetFeatures::hasFlag(Feature) && "Feature flags should start with '+' or '-'"` failed. ``` 2021-07-23 14:42:36 +03:00
			`#![feature(no_core)]`
			`#![no_core]`
compiletest: Support matching on diagnostics without a span 2025-03-23 15:50:51 +03:00
			//~? WARN unknown feature specified for `-Ctarget-feature`: `rdrand`