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[Bug tree-optimization/32367] [4.3 Regression] internal compiler error: in build_polynomial_chrec, at tree-chrec.h:113
- From: "pinskia at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 16 Jun 2007 20:55:57 -0000
- Subject: [Bug tree-optimization/32367] [4.3 Regression] internal compiler error: in build_polynomial_chrec, at tree-chrec.h:113
- References: <bug-32367-1649@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #6 from pinskia at gcc dot gnu dot org 2007-06-16 20:55 -------
This patch works for me (and I think it is correct):
Index: tree-chrec.c
===================================================================
--- tree-chrec.c (revision 125757)
+++ tree-chrec.c (working copy)
@@ -712,6 +712,10 @@
else
component = CHREC_LEFT (chrec);
+ if (!right && TREE_CODE (CHREC_LEFT (chrec)) == POLYNOMIAL_CHREC
+ && CHREC_VARIABLE (CHREC_LEFT (chrec)) == CHREC_VARIABLE (chrec))
+ return chrec_component_in_loop_num (CHREC_LEFT (chrec), loop_num,
right);
+
if (TREE_CODE (CHREC_LEFT (chrec)) != POLYNOMIAL_CHREC
|| CHREC_VARIABLE (CHREC_LEFT (chrec)) != CHREC_VARIABLE (chrec))
return component;
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32367