Upgrade to 3.29
Update V8 to 3.29.88.17 and update makefiles to support building on
all the relevant platforms.
Bug: 17370214
Change-Id: Ia3407c157fd8d72a93e23d8318ccaf6ecf77fa4e
diff --git a/test/mjsunit/compiler/dead-string-char-code-at.js b/test/mjsunit/compiler/dead-string-char-code-at.js
new file mode 100644
index 0000000..9f01541
--- /dev/null
+++ b/test/mjsunit/compiler/dead-string-char-code-at.js
@@ -0,0 +1,81 @@
+// Copyright 2013 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following
+// disclaimer in the documentation and/or other materials provided
+// with the distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived
+// from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Flags: --allow-natives-syntax
+
+var S1 = "string1";
+var S2 = "@@string2";
+
+function dead1(a, b) {
+ var x = %_StringCharCodeAt(a, 4);
+ return a; // x is dead code
+}
+
+function dead2(a, b) {
+ var x = %_StringCharCodeAt(a, 3);
+ var y = %_StringCharCodeAt(b, 1);
+ return a; // x and y are both dead
+}
+
+function dead3(a, b) {
+ a = a ? "11" : "12";
+ b = b ? "13" : "14";
+ var x = %_StringCharCodeAt(a, 2);
+ var y = %_StringCharCodeAt(b, 0);
+ return a; // x and y are both dead
+}
+
+function test() {
+ var S3 = S1 + S2;
+
+ assertEquals(S1, dead1(S1, S2));
+ assertEquals(S1, dead2(S1, S2));
+ assertEquals("11", dead3(S1, S2));
+
+ assertEquals(S2, dead1(S2, 677));
+ assertEquals(S2, dead2(S2, S3));
+ assertEquals("11", dead3(S2, S3));
+
+ assertEquals(S3, dead1(S3, 399));
+ assertEquals(S3, dead2(S3, "false"));
+ assertEquals("12", dead3(0, 32));
+
+ assertEquals(S3, dead1(S3, 0));
+ assertEquals(S3, dead2(S3, S1));
+ assertEquals("11", dead3(S3, 0));
+
+ assertEquals("true", dead1("true", 0));
+ assertEquals("true", dead2("true", S3));
+ assertEquals("11", dead3("true", 0));
+}
+
+test();
+test();
+%OptimizeFunctionOnNextCall(dead1);
+%OptimizeFunctionOnNextCall(dead2);
+%OptimizeFunctionOnNextCall(dead3);
+test();