--- /dev/null	2017-01-22 10:16:57.869617664 -0800
+++ new/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.core.test/src/org/graalvm/compiler/core/test/PushThroughIfTest.java	2017-02-15 16:57:45.159376049 -0800
@@ -0,0 +1,78 @@
+/*
+ * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package org.graalvm.compiler.core.test;
+
+import org.junit.Test;
+
+import org.graalvm.compiler.debug.Debug;
+import org.graalvm.compiler.nodes.FrameState;
+import org.graalvm.compiler.nodes.StructuredGraph;
+import org.graalvm.compiler.nodes.StructuredGraph.AllowAssumptions;
+import org.graalvm.compiler.nodes.util.GraphUtil;
+import org.graalvm.compiler.phases.common.CanonicalizerPhase;
+import org.graalvm.compiler.phases.tiers.PhaseContext;
+
+public class PushThroughIfTest extends GraalCompilerTest {
+
+    public int field1;
+    public int field2;
+
+    public int testSnippet(boolean b) {
+        int i;
+        if (b) {
+            i = field1;
+        } else {
+            i = field1;
+        }
+        return i + field2;
+    }
+
+    @SuppressWarnings("unused")
+    public int referenceSnippet(boolean b) {
+        return field1 + field2;
+    }
+
+    @Test
+    public void test1() {
+        test("testSnippet", "referenceSnippet");
+    }
+
+    private void test(String snippet, String reference) {
+        StructuredGraph graph = parseEager(snippet, AllowAssumptions.YES);
+        Debug.dump(Debug.BASIC_LOG_LEVEL, graph, "Graph");
+        for (FrameState fs : graph.getNodes(FrameState.TYPE).snapshot()) {
+            fs.replaceAtUsages(null);
+            GraphUtil.killWithUnusedFloatingInputs(fs);
+        }
+        new CanonicalizerPhase().apply(graph, new PhaseContext(getProviders()));
+        new CanonicalizerPhase().apply(graph, new PhaseContext(getProviders()));
+
+        StructuredGraph referenceGraph = parseEager(reference, AllowAssumptions.YES);
+        for (FrameState fs : referenceGraph.getNodes(FrameState.TYPE).snapshot()) {
+            fs.replaceAtUsages(null);
+            GraphUtil.killWithUnusedFloatingInputs(fs);
+        }
+        new CanonicalizerPhase().apply(referenceGraph, new PhaseContext(getProviders()));
+        assertEquals(referenceGraph, graph);
+    }
+}