[PATCH] D103623: [Clang] Test case for -Wunused-but-set-variable, warn for volatile.

[Michael Benfield via Phabricator via cfe-commits]

mbenfield updated this revision to Diff 351563.
mbenfield added a comment.

rebase and rerun builds


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D103623/new/

https://reviews.llvm.org/D103623

Files:
  clang/test/Sema/warn-unused-but-set-variables.c


Index: clang/test/Sema/warn-unused-but-set-variables.c
===================================================================
--- clang/test/Sema/warn-unused-but-set-variables.c
+++ clang/test/Sema/warn-unused-but-set-variables.c
@@ -23,6 +23,10 @@
   int a;
   w = (a = 0);
 
+  // Following gcc, warn for a volatile variable.
+  volatile int b; // expected-warning{{variable 'b' set but not used}}
+  b = 0;
+
   int x;
   x = 0;
   return x;


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