https://bugs.llvm.org/show_bug.cgi?id=46799
Bug ID: 46799
Summary: FP flags differ on same operation (<) in different
contexts
Product: clang
Version: 10.0
Hardware: Other
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: C
Assignee: unassignedclangb...@nondot.org
Reporter: tyde...@tybor.com
CC: blitzrak...@gmail.com, dgre...@apple.com,
erik.pilking...@gmail.com, llvm-bugs@lists.llvm.org,
richard-l...@metafoo.co.uk
It appears that the two '<' here with the same operands:
long double x = NAN;
int i;
i = x < x;
if( x < x )...;
Also this pair:
i = x < 0.L;
if( x < 0.L )...;
raise different floating-point exception flags; perhaps invalid versus none.
I believe this problem applies to all compares that involve a NaN.
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