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[Bug rtl-optimization/24626] [4.1/4.2 Regression] internal compiler error: verify_flow_info failed
- From: "steven at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 13 Jan 2006 23:39:50 -0000
- Subject: [Bug rtl-optimization/24626] [4.1/4.2 Regression] internal compiler error: verify_flow_info failed
- References: <bug-24626-10053@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #39 from steven at gcc dot gnu dot org 2006-01-13 23:39 -------
We should do the following:
Index: cfgloopmanip.c
===================================================================
--- cfgloopmanip.c (revision 108361)
+++ cfgloopmanip.c (working copy)
@@ -1419,7 +1419,7 @@ lv_adjust_loop_entry_edge (basic_block f
lv_add_condition_to_bb (first_head, second_head, new_head,
cond_expr);
- e1 = make_edge (new_head, first_head, EDGE_TRUE_VALUE);
+ e1 = make_edge (new_head, first_head, ir_type () ? EDGE_TRUE_VALUE : 0);
set_immediate_dominator (CDI_DOMINATORS, first_head, new_head);
set_immediate_dominator (CDI_DOMINATORS, second_head, new_head);
Index: cfgrtl.c
===================================================================
--- cfgrtl.c (revision 108361)
+++ cfgrtl.c (working copy)
@@ -2046,7 +2046,7 @@ rtl_verify_flow_info_1 (void)
err = 1;
}
if (n_branch != 1 && any_condjump_p (BB_END (bb))
- && JUMP_LABEL (BB_END (bb)) == BB_HEAD (fallthru->dest))
+ && JUMP_LABEL (BB_END (bb)) != BB_HEAD (fallthru->dest))
{
error ("wrong amount of branch edges after conditional jump %i",
bb->index);
err = 1;
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24626