http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47817
Summary: incorrectly working code generated with -O3
Product: gcc
Version: 4.4.4
Status: UNCONFIRMED
Severity: critical
Priority: P3
Component: c++
AssignedTo: unassi
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47817
--- Comment #1 from Andrew Aksyonoff
2011-02-19 20:51:23 UTC ---
Created attachment 23407
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=23407
the preprocessed .ii file built with -O3 -save-temps
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47817
--- Comment #4 from Andrew Aksyonoff
2011-02-19 21:10:21 UTC ---
(In reply to comment #2)
> I think you have some violation of the C/C++ aliasing rules where you access
> an
> "unsigned int" via an "unsigned long long" which in turn causes undef
