jfb added a comment.
I think you want to avoid warning inside macros as well, say:
#define AWESOME(x, y) ({ blah blah blah; x ^ y; blah })
AWESOME(2, 10); // probably not a bug
================
Comment at: test/SemaCXX/warn-xor-as-pow.cpp:13
+ res = a ^ b;
+ res = 2 ^ 0;
+ res = 2 ^ 1; // expected-warning {{result of '2 ^ 1' is 3, maybe you mean
'1<<1' (2)?}}
----------------
`2 ^ 0` seems like it would be a bug too?
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D63423/new/
https://reviews.llvm.org/D63423
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