[Bug middle-end/40717] New: [4.5 Regression] ICE in purge_dead_edges, at cfgrtl.c:2323

[d dot g dot gorbachev at gmail dot com]

GCC 4.5.0 20090709. (IIRC, there was no such ICE when compiling with 20090702.)

gcc -S -O1 -finline-small-functions -foptimize-sibling-calls -march=i686 bug.c

bug.c:12:1: internal compiler error: in purge_dead_edges, at cfgrtl.c:2323

bug.c:
================================
extern int baz(void), zab(void);

char bar(void)
{
    int i = 1;
    return *(char *)&i;
}

void foo(void)
{
   (bar() ? baz : zab)();
}
================================


-- 
           Summary: [4.5 Regression] ICE in purge_dead_edges, at
                    cfgrtl.c:2323
           Product: gcc
           Version: 4.5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: d dot g dot gorbachev at gmail dot com
 GCC build triplet: i686-pc-linux-gnu
  GCC host triplet: i686-pc-linux-gnu
GCC target triplet: i686-pc-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40717