[Bug c++/49039] [4.3/4.4/4.5 Regression] LLVM StringRef miscompilation with -O2

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49039

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
      Known to work|4.5.3                       |
            Version|4.6.0                       |4.6.1
   Target Milestone|4.6.1                       |4.3.6
            Summary|[4.6/4.7 Regression] LLVM   |[4.3/4.4/4.5 Regression]
                   |StringRef miscompilation    |LLVM StringRef
                   |with -O2                    |miscompilation with -O2

--- Comment #12 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-05-18 
20:46:10 UTC ---
Fixed for 4.6+ so far.  The execute/pr49039.c testcase fails in 4.3/4.4/4.5 too
though and worked in 4.2, so regression on those branches too.