# HG changeset patch
# User Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
# Date 1399342440 -7200
# Node ID a51d48ac96d3a81fe48f3e01d5cc64b92dc8c528
# Parent  c5ce68561b7528759c943e79ac6e06ad6a9d2ee9
Fix bug in CanonicalizerPhase that could remove fixed nodes with side effects in a corner case.

diff -r c5ce68561b75 -r a51d48ac96d3 graal/com.oracle.graal.phases.common/src/com/oracle/graal/phases/common/CanonicalizerPhase.java
--- a/graal/com.oracle.graal.phases.common/src/com/oracle/graal/phases/common/CanonicalizerPhase.java	Tue May 06 04:07:30 2014 +0200
+++ b/graal/com.oracle.graal.phases.common/src/com/oracle/graal/phases/common/CanonicalizerPhase.java	Tue May 06 04:14:00 2014 +0200
@@ -185,7 +185,8 @@
                             boolean improvedStamp = tryInferStamp(valueNode);
                             Constant constant = valueNode.stamp().asConstant();
                             if (constant != null && !(node instanceof ConstantNode)) {
-                                performReplacement(valueNode, ConstantNode.forConstant(valueNode.stamp(), constant, context.getMetaAccess(), valueNode.graph()));
+                                valueNode.replaceAtUsages(ConstantNode.forConstant(valueNode.stamp(), constant, context.getMetaAccess(), valueNode.graph()));
+                                GraphUtil.tryKillUnused(valueNode);
                             } else if (improvedStamp) {
                                 // the improved stamp may enable additional canonicalization
                                 tryCanonicalize(valueNode, nodeClass);