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From: "steven at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug rtl-optimization/48389] [4.5/4.6/4.7 Regression] ICE: in make_edges, at cfgbuild.c:319 with -mtune=pentiumpro
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48389

Steven Bosscher <steven at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |steven at gcc dot gnu.org

--- Comment #2 from Steven Bosscher <steven at gcc dot gnu.org> 2011-04-06 20:41:40 UTC ---
I think this should fix the problem:

Index: cfgexpand.c
===================================================================
--- cfgexpand.c (revision 172003)
+++ cfgexpand.c (working copy)
@@ -4143,8 +4143,6 @@ gimple_expand_cfg (void)
   /* Zap the tree EH table.  */
   set_eh_throw_stmt_table (cfun, NULL);

-  rebuild_jump_labels (get_insns ());
-
   FOR_BB_BETWEEN (bb, ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR, next_bb)
     {
       edge e;
@@ -4170,6 +4168,8 @@ gimple_expand_cfg (void)
        }
     }

+  rebuild_jump_labels (get_insns ());
+
   /* We're done expanding trees to RTL.  */
   currently_expanding_to_rtl = 0;