Changeset 51424 in webkit for trunk/JavaScriptCore/interpreter/Interpreter.cpp

Timestamp:

Nov 26, 2009, 9:20:37 PM (16 years ago)

Author:

[email protected]

Message:

Incorrect behaviour of jneq_null in the interpreter
​https://bugs.webkit.org/show_bug.cgi?id=31901

Reviewed by Gavin Barraclough.

Correct the logic of jneq_null. This is already covered by existing tests.

File:

• trunk/JavaScriptCore/interpreter/Interpreter.cpp (modified) (1 diff)

trunk/JavaScriptCore/interpreter/Interpreter.cpp

@@ -2708 +2708 @@
         JSValue srcValue = callFrame->r(src).jsValue();
 
-        if (!srcValue.isUndefinedOrNull() || (srcValue.isCell() && !srcValue.asCell()->structure()->typeInfo().masqueradesAsUndefined())) {
+        if (!srcValue.isUndefinedOrNull() && (!srcValue.isCell() || !srcValue.asCell()->structure()->typeInfo().masqueradesAsUndefined())) {
             vPC += target;
             NEXT_INSTRUCTION();