Changeset 243867 in webkit

Timestamp:

Apr 4, 2019, 7:15:20 AM (7 years ago)

Author:

Tadeu Zagallo

Message:

UnlinkedCodeBlock constructor from cache should initialize m_didOptimize
​https://bugs.webkit.org/show_bug.cgi?id=196396

Reviewed by Saam Barati.

The UnlinkedCodeBlock constructor in CachedTypes was missing the initialization
for m_didOptimize, which leads to crashes in CodeBlock::thresholdForJIT.

• runtime/CachedTypes.cpp:

(JSC::UnlinkedCodeBlock::UnlinkedCodeBlock):

Location:

trunk/Source/JavaScriptCore

Files:

• ChangeLog (modified) (1 diff)
• runtime/CachedTypes.cpp (modified) (1 diff)

trunk/Source/JavaScriptCore/ChangeLog

@@ +1 @@
+2019-04-04  Tadeu Zagallo  <tzagallo@apple.com>
+
+        UnlinkedCodeBlock constructor from cache should initialize m_didOptimize
+        https://bugs.webkit.org/show_bug.cgi?id=196396
+
+        Reviewed by Saam Barati.
+
+        The UnlinkedCodeBlock constructor in CachedTypes was missing the initialization
+        for m_didOptimize, which leads to crashes in CodeBlock::thresholdForJIT.
+
+        * runtime/CachedTypes.cpp:
+        (JSC::UnlinkedCodeBlock::UnlinkedCodeBlock):
+
 2019-04-03  Yusuke Suzuki  <ysuzuki@apple.com>
 

trunk/Source/JavaScriptCore/runtime/CachedTypes.cpp

@@ -1874 +1874 @@
     , m_hasTailCalls(cachedCodeBlock.hasTailCalls())
     , m_codeType(cachedCodeBlock.codeType())
+
+    , m_didOptimize(static_cast<unsigned>(MixedTriState))
 
     , m_features(cachedCodeBlock.features())