diff test/compiler/7017746/Test.java @ 2254:ab42c7e1cf83

7017746: Regression : C2 compiler crash due to SIGSEGV in PhaseCFG::schedule_early() Summary: Add TEMP edges (and KILL projections) before duplicated operands are removed in Expand() methods. Reviewed-by: never
author kvn
date Thu, 10 Feb 2011 14:25:59 -0800
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+++ b/test/compiler/7017746/Test.java	Thu Feb 10 14:25:59 2011 -0800
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+/*
+ * 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.
+ */
+
+/**
+ * @test
+ * @bug 7017746
+ * @summary Regression : C2 compiler crash due to SIGSEGV in PhaseCFG::schedule_early()
+ *
+ * @run main/othervm -Xbatch Test
+ */
+
+public class Test {
+
+  int i;
+
+  static int test(Test t, int a, int b) {
+    int j = t.i;
+    int x = a - b;
+    if (a < b) x = x + j;
+    return x - j;
+  }
+
+  public static void main(String args[]) {
+    Test t = new Test();
+    for (int n = 0; n < 1000000; n++) {
+      int i = test(t, 1, 2);
+    }
+  }
+}
+