http://llvm.org/bugs/show_bug.cgi?id=8212
Summary: [REGRESSION] opt.c from ffmpeg is miscompiled
Product: clang
Version: trunk
Platform: Macintosh
OS/Version: MacOS X
Status: NEW
Severity: normal
Priority: P
Component: -New Bugs
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
This is a last 24h regresssion. opt.c is miscompiled causing parameter parsing
errors with ffmpeg. Works with -O1 and broken with -O2 and above.
Problematic part is (according to my gdb session):
4831 for(i=0; i<sizeof(buf)-1 && val[i] && val[i]!='+' &&
val[i]!='-'; i++)
4832 buf[i]= val[i];
4833 buf[i]=0;
4834
val is "simple" here and buf ends up being "si" instead.
Preprocessed file attached.
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