[Bug rtl-optimization/47992] New: ICE: SIGSEGV in ira_reuse_stack_slot (ira-color.c:2887) with -fweb

[zsojka at seznam dot cz]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47992

           Summary: ICE: SIGSEGV in ira_reuse_stack_slot
                    (ira-color.c:2887) with -fweb
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: rtl-optimization
        AssignedTo: unassig...@gcc.gnu.org
        ReportedBy: zso...@seznam.cz
              Host: x86_64-pc-linux-gnu
            Target: x86_64-pc-linux-gnu


Created attachment 23546
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=23546
reduced testcase (from gfortran.dg/g77/pr9258.f)

Compiler output:
$ gfortran -O -fno-dce -fgcse -fno-tree-ccp -fno-tree-dominator-opts -fweb
testcase.f

Tested revisions:
r170674 - crash
4.5 r170113 - OK