[PATCH] D100581: [Clang] -Wunused-but-set-parameter and -Wunused-but-set-variable

[Stephan Bergmann via Phabricator via cfe-commits]

sberg added a comment.

Is it intentional that this warns about volatile variables as in

  void f(char * p) {
      volatile char c = 0;
      c ^= *p;
  }

(I see that GCC warns about volatile too, at least when you replace the `^=` 
with `=`, so assume the answer is "yes", but would just like to see that 
confirmed (ideally with a test case even?).)


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D100581/new/

https://reviews.llvm.org/D100581

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