Title: [232119] trunk/Source/WTF
- Revision
- 232119
- Author
- mcatanz...@igalia.com
- Date
- 2018-05-23 10:54:01 -0700 (Wed, 23 May 2018)
Log Message
Prohibit shrinking the FastBitVector
https://bugs.webkit.org/show_bug.cgi?id=181020
Reviewed by Oliver Hunt.
Prohibit shrinking the FastBitVector. It's not prepared for this and the current usage does
not require it.
* wtf/FastBitVector.cpp:
(WTF::FastBitVectorWordOwner::resizeSlow):
Modified Paths
Diff
Modified: trunk/Source/WTF/ChangeLog (232118 => 232119)
--- trunk/Source/WTF/ChangeLog 2018-05-23 17:50:44 UTC (rev 232118)
+++ trunk/Source/WTF/ChangeLog 2018-05-23 17:54:01 UTC (rev 232119)
@@ -1,3 +1,16 @@
+2018-05-22 Michael Catanzaro <mcatanz...@igalia.com>
+
+ Prohibit shrinking the FastBitVector
+ https://bugs.webkit.org/show_bug.cgi?id=181020
+
+ Reviewed by Oliver Hunt.
+
+ Prohibit shrinking the FastBitVector. It's not prepared for this and the current usage does
+ not require it.
+
+ * wtf/FastBitVector.cpp:
+ (WTF::FastBitVectorWordOwner::resizeSlow):
+
2018-05-22 Mark Lam <mark....@apple.com>
StringImpl utf8 conversion should not fail silently.
Modified: trunk/Source/WTF/wtf/FastBitVector.cpp (232118 => 232119)
--- trunk/Source/WTF/wtf/FastBitVector.cpp 2018-05-23 17:50:44 UTC (rev 232118)
+++ trunk/Source/WTF/wtf/FastBitVector.cpp 2018-05-23 17:54:01 UTC (rev 232119)
@@ -42,6 +42,8 @@
void FastBitVectorWordOwner::resizeSlow(size_t numBits)
{
size_t newLength = fastBitVectorArrayLength(numBits);
+
+ RELEASE_ASSERT(newLength >= arrayLength());
// Use fastCalloc instead of fastRealloc because we expect the common
// use case for this method to be initializing the size of the bitvector.
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