Heapcheck: Add a new suppression and fix a typo from r223441.

tools/heapcheck/suppressions.txt

Index: tools/heapcheck/suppressions.txt
===================================================================
--- tools/heapcheck/suppressions.txt	(revision 223496)
+++ tools/heapcheck/suppressions.txt	(working copy)
@@ -890,7 +890,7 @@
    fun:SafeBrowsingDatabaseManagerTest_CheckCorrespondsListType_Test::TestBody
 }
 {
-   bug_2912

[Lei Zhang, 2013/09/17 01:07:19]

I'm apparently bad at copy + pasting.

+   bug_291236_a
    Heapcheck:Leak
    fun:v8::internal::Malloced::New
    fun:v8::internal::Zone::NewSegment
@@ -913,3 +913,15 @@
    fun:v8::internal::HOptimizedGraphBuilder::Visit
    fun:v8::internal::HOptimizedGraphBuilder::VisitForControl
 }
+{
+   bug_291236_c
+   Heapcheck:Leak
+   fun:v8::internal::Malloced::New
+   fun:v8::internal::Zone::NewSegment
+   fun:v8::internal::Zone::NewExpand
+   fun:v8::internal::Zone::New
+   fun:v8::internal::ZoneObject::operator new
+   fun:v8::internal::LChunkBuilder::Build
+   fun:v8::internal::LChunk::NewChunk
+   fun:v8::internal::OptimizingCompiler::OptimizeGraph
+}