diff options
Diffstat (limited to 'src/test/ui/conditional-compilation/cfg-attr-multi-true.rs')
-rw-r--r-- | src/test/ui/conditional-compilation/cfg-attr-multi-true.rs | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/src/test/ui/conditional-compilation/cfg-attr-multi-true.rs b/src/test/ui/conditional-compilation/cfg-attr-multi-true.rs new file mode 100644 index 000000000..876d8b079 --- /dev/null +++ b/src/test/ui/conditional-compilation/cfg-attr-multi-true.rs @@ -0,0 +1,21 @@ +// Test that cfg_attr with multiple attributes actually emits both attributes. +// This is done by emitting two attributes that cause new warnings, and then +// triggering those warnings. + +// build-pass (FIXME(62277): could be check-pass?) + +#![warn(unused_must_use)] + +#[cfg_attr(all(), deprecated, must_use)] +struct MustUseDeprecated {} + +impl MustUseDeprecated { //~ warning: use of deprecated + fn new() -> MustUseDeprecated { //~ warning: use of deprecated + MustUseDeprecated {} //~ warning: use of deprecated + } +} + +fn main() { + MustUseDeprecated::new(); //~ warning: use of deprecated + //~| warning: unused `MustUseDeprecated` that must be used +} |