[Sema] add test cases for D152495 NFC

Ensure these don't regress the next time we reland D152495. Link: ClangBuiltLinux/linux#1926 Reviewed By: cor3ntin, MaskRay Differential Revision: https://reviews.llvm.org/D159307
llvm · Aug 31, 2023 · cfa578c · cfa578c
1 parent 2a2f02e
commit cfa578c
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/clang/test/SemaCXX/warn-unused-variables.cpp b/clang/test/SemaCXX/warn-unused-variables.cpp
@@ -46,6 +46,9 @@ void unused_local_static() {
   static int x = 0;
   static int y = 0; // expected-warning{{unused variable 'y'}}
 #pragma unused(x)
+  static __attribute__((used)) int z;
+  static __attribute__((unused)) int w;
+  [[maybe_unused]] static int v;
 }
 
 // PR10168