Index: test/mjsunit/regress/regress-1713.js |
diff --git a/test/mjsunit/regress/regress-1713.js b/test/mjsunit/regress/regress-1713.js |
new file mode 100644 |
index 0000000000000000000000000000000000000000..0af1144a15d53bd6387cba85c1d7a3b6e97831f5 |
--- /dev/null |
+++ b/test/mjsunit/regress/regress-1713.js |
@@ -0,0 +1,127 @@ |
+// Copyright 2011 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 --always-compact --expose-gc |
+ |
+var O = { get f() { return 0; } }; |
+ |
+var CODE = []; |
+ |
+var R = []; |
+ |
+function Allocate4Kb(N) { |
+ var arr = []; |
+ do {arr.push(new Array(1024));} while (--N > 0); |
+ return arr; |
+} |
+ |
+function AllocateXMb(X) { |
+ return Allocate4Kb((1024 * X) / 4); |
+} |
+ |
+function Node(v, next) { this.v = v; this.next = next; } |
+ |
+Node.prototype.execute = function (O) { |
+ var n = this; |
+ while (n.next !== null) n = n.next; |
+ n.v(O); |
+}; |
+ |
+function LongList(N, x) { |
+ if (N == 0) return new Node(x, null); |
+ return new Node(new Array(1024), LongList(N - 1, x)); |
+} |
+ |
+var L = LongList(1024, function (O) { |
+ for (var i = 0; i < 5; i++) O.f; |
+}); |
+ |
+ |
+ |
+function Incremental(O, x) { |
+ if (!x) { |
+ return; |
+ } |
+ function CreateCode(i) { |
+ var f = new Function("return O.f_" + i); |
+ CODE.push(f); |
+ f(); // compile |
+ f(); // compile |
+ f(); // compile |
+ } |
+ |
+ for (var i = 0; i < 1e4; i++) CreateCode(i); |
+ gc(); |
+ gc(); |
+ gc(); |
+ |
+ print(">>> 1 <<<"); |
+ |
+ L.execute(O); |
+ |
+ try {} catch (e) {} |
+ |
+ L = null; |
+ print(">>> 2 <<<"); |
+ AllocateXMb(8); |
+ //rint("1"); |
+ //llocateXMb(8); |
+ //rint("1"); |
+ //llocateXMb(8); |
+ |
+} |
+ |
+function foo(O, x) { |
+ Incremental(O, x); |
+ |
+ print('f'); |
+ |
+ for (var i = 0; i < 5; i++) O.f; |
+ |
+ |
+ print('g'); |
+ |
+ bar(x); |
+} |
+ |
+function bar(x) { |
+ if (!x) return; |
+ %DeoptimizeFunction(foo); |
+ AllocateXMb(8); |
+ AllocateXMb(8); |
+} |
+ |
+var O1 = {}; |
+var O2 = {}; |
+var O3 = {}; |
+var O4 = {f:0}; |
+ |
+foo(O1, false); |
+foo(O2, false); |
+foo(O3, false); |
+%OptimizeFunctionOnNextCall(foo); |
+foo(O4, true); |