[LLVMbugs] [Bug 22899] false negative of -Winteger-overflow
bugzilla-daemon at llvm.org
bugzilla-daemon at llvm.org
Wed Apr 15 18:38:52 PDT 2015
https://llvm.org/bugs/show_bug.cgi?id=22899
Davide Italiano <davide at freebsd.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
CC| |davide at freebsd.org
Resolution|--- |FIXED
--- Comment #1 from Davide Italiano <davide at freebsd.org> ---
Can't repro on recent clang, seems fixed.
% ./clang conv.c -Wconversion
conv.c:3:30: warning: overflow in expression; result is -445703536 with type
'int' [-Winteger-overflow]
int a = ((uint16_t)0xE570L * (uint16_t)(-1L));
^
conv.c:5:26: warning: overflow in expression; result is -445703536 with type
'int' [-Winteger-overflow]
b = ((uint16_t)0xE570L * (uint16_t)(-1L));
^
2 warnings generated.
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