Changeset 193606 in webkit for trunk/Source/JavaScriptCore/dfg/DFGFixupPhase.cpp

Timestamp:

Dec 6, 2015, 5:54:43 PM (10 years ago)

Author:

[email protected]

Message:

REGRESSION(r193584): Causes heap use-after-free crashes in Web Inspector tests with AddressSanitizer (Requested by ddkilzer on #webkit).
​https://bugs.webkit.org/show_bug.cgi?id=151929

Reverted changeset:

"[ES6] "super" and "this" should be lexically bound inside an
arrow function and should live in a JSLexicalEnvironment"
​https://bugs.webkit.org/show_bug.cgi?id=149338
​http://trac.webkit.org/changeset/193584

File:

• trunk/Source/JavaScriptCore/dfg/DFGFixupPhase.cpp (modified) (1 diff)

trunk/Source/JavaScriptCore/dfg/DFGFixupPhase.cpp

@@ -1024 +1024 @@
             fixEdge<KnownCellUse>(node->child1());
             speculateForBarrier(node->child2());
+            break;
+        }
+
+        case LoadArrowFunctionThis: {
+            fixEdge<KnownCellUse>(node->child1());
             break;
         }