Make store buffer more robust to OOM.

src/deoptimizer.cc

Index: src/deoptimizer.cc
diff --git a/src/deoptimizer.cc b/src/deoptimizer.cc
index a8de06ee5850f82949b63ba1146865aba7cd3536..bcf2768bbc86256e0a13de8b16b13766ba6281d8 100644
--- a/src/deoptimizer.cc
+++ b/src/deoptimizer.cc
@@ -2806,7 +2806,10 @@ void Deoptimizer::EnsureCodeForDeoptimizationEntry(Isolate* isolate,
   MemoryChunk* chunk = data->deopt_entry_code_[type];
   CHECK(static_cast<int>(Deoptimizer::GetMaxDeoptTableSize()) >=
         desc.instr_size);
-  chunk->CommitArea(desc.instr_size);
+  if (!chunk->CommitArea(desc.instr_size)) {
+    V8::FatalProcessOutOfMemory(
+        "Deoptimizer::EnsureCodeForDeoptimizationEntry");

[Hannes Payer (out of office), 2015/04/16 09:31:50]

separate cl?

[Erik Corry Chromium.org, 2015/04/16 10:18:52]

Done.

+  }
   CopyBytes(chunk->area_start(), desc.buffer,
       static_cast<size_t>(desc.instr_size));
   CpuFeatures::FlushICache(chunk->area_start(), desc.instr_size);