Revision: 14754
Author: [email protected]
Date: Wed May 22 08:42:42 2013
Log: Merged r14751, r14753 into trunk branch.
Fix Windows shared library build.
Don't allow copying holes to fields.
[email protected]
Review URL: https://chromiumcodereview.appspot.com/15744007
http://code.google.com/p/v8/source/detail?r=14754
Added:
/trunk/test/mjsunit/regress/regress-copy-hole-to-field.js
Modified:
/trunk/include/v8.h
/trunk/src/hydrogen-instructions.h
/trunk/src/version.cc
=======================================
--- /dev/null
+++ /trunk/test/mjsunit/regress/regress-copy-hole-to-field.js Wed May 22
08:42:42 2013
@@ -0,0 +1,57 @@
+// 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
+
+// Copy a hole from HOLEY_DOUBLE to double field.
+var a = [1.5,,1.7];
+var o = {a:1.8};
+
+function f1(o,a,i) {
+ o.a = a[i];
+}
+
+f1(o,a,0);
+f1(o,a,0);
+assertEquals(1.5, o.a);
+%OptimizeFunctionOnNextCall(f1);
+f1(o,a,1);
+assertEquals(undefined, o.a);
+
+// Copy a hole from HOLEY_SMI to smi field.
+var a = [1,,3];
+var o = {ab:5};
+
+function f2(o,a,i) {
+ o.ab = a[i];
+}
+
+f2(o,a,0);
+f2(o,a,0);
+%OptimizeFunctionOnNextCall(f2);
+f2(o,a,1);
+assertEquals(undefined, o.ab);
=======================================
--- /trunk/include/v8.h Wed May 22 07:05:23 2013
+++ /trunk/include/v8.h Wed May 22 08:42:42 2013
@@ -2735,7 +2735,7 @@
template<typename T>
-class V8EXPORT ReturnValue {
+class ReturnValue {
public:
V8_INLINE(explicit ReturnValue(internal::Object** slot));
// Handle setters
@@ -2763,7 +2763,7 @@
* the holder of the function.
*/
template<typename T>
-class V8EXPORT FunctionCallbackInfo {
+class FunctionCallbackInfo {
public:
V8_INLINE(int Length() const);
V8_INLINE(Local<Value> operator[](int i) const);
@@ -2811,7 +2811,7 @@
* of the property access.
*/
template<typename T>
-class V8EXPORT PropertyCallbackInfo {
+class PropertyCallbackInfo {
public:
V8_INLINE(Isolate* GetIsolate() const);
V8_INLINE(Local<Value> Data() const);
=======================================
--- /trunk/src/hydrogen-instructions.h Fri May 17 06:39:16 2013
+++ /trunk/src/hydrogen-instructions.h Wed May 22 08:42:42 2013
@@ -5593,6 +5593,7 @@
SetGVNFlag(kChangesBackingStoreFields);
SetGVNFlag(kDependsOnNewSpacePromotion);
}
+ SetFlag(kDeoptimizeOnUndefined);
}
DECLARE_CONCRETE_INSTRUCTION(StoreNamedField)
=======================================
--- /trunk/src/version.cc Wed May 22 07:05:23 2013
+++ /trunk/src/version.cc Wed May 22 08:42:42 2013
@@ -35,7 +35,7 @@
#define MAJOR_VERSION 3
#define MINOR_VERSION 19
#define BUILD_NUMBER 3
-#define PATCH_LEVEL 0
+#define PATCH_LEVEL 1
// Use 1 for candidates and 0 otherwise.
// (Boolean macro values are not supported by all preprocessors.)
#define IS_CANDIDATE_VERSION 0
--
--
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