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Fix stmt updating in PRE
- From: Jan Hubicka <hubicka at ucw dot cz>
- To: gcc-patches at gcc dot gnu dot org, rguenther at suse dot de
- Date: Sat, 11 Apr 2009 14:14:00 +0200
- Subject: Fix stmt updating in PRE
Hi,
on pretty-ipa we commonly segfault on C++ code because of the following
bug. I am re-testing on mainline and will commit as obvious if it
succeeds.
Honza
* tree-ssa-pre.c (elliminate): Fix call of update_stmt.
Index: tree-ssa-pre.c
===================================================================
--- tree-ssa-pre.c (revision 145956)
+++ tree-ssa-pre.c (working copy)
@@ -4209,7 +4209,7 @@
&& single_imm_use (lhs, &use_p, &use_stmt))
{
SET_USE (use_p, gimple_assign_rhs1 (stmt));
- update_stmt (stmt);
+ update_stmt (use_stmt);
}
/* If this is a store or a now unused copy, remove it. */