[Bug c++/49039] New: LLVM StringRef miscompilation with -O2

[ismail at namtrac dot org]

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

           Summary: LLVM StringRef miscompilation with -O2
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
        AssignedTo: unassig...@gcc.gnu.org
        ReportedBy: ism...@namtrac.org


Hi;

This is extracted from http://llvm.org/bugs/show_bug.cgi?id=9858 . I'll attach
the testcase from Nick Lewycky.

[/work/stuff]> g++ pr9858.cc 

[/work/stuff]> ./a.out 

[/work/stuff]> g++ -O2 pr9858.cc

[/work/stuff]> ./a.out          
[1]    2459 segmentation fault  ./a.out