[Bug lto/50147] New: LTO: Segmentation fault in infinite_empty_loop_p

[d.g.gorbachev at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50147

             Bug #: 50147
           Summary: LTO: Segmentation fault in infinite_empty_loop_p
    Classification: Unclassified
           Product: gcc
           Version: 4.7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: lto
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: d.g.gorbachev@gmail.com
                CC: rguenth@gcc.gnu.org
              Host: i686-pc-linux-gnu
            Target: i686-pc-linux-gnu
             Build: i686-pc-linux-gnu


Created attachment 25068
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=25068
Backtrace

Testcase (extracted from libstdc++) is in attachment 25067.

Compile with GCC 4.7.0 with `-flto -O'. Also happens in GCC 4.6.2 with `-flto
-flto-partition=1to1 -O'.