Properly report OOM when deoptimizer allocation fails

R=mstarzinger@chromium.org
BUG=

Review URL: https://codereview.chromium.org/1052823003

Cr-Commit-Position: refs/heads/master@{#27900}

diff --git a/src/deoptimizer.cc b/src/deoptimizer.cc
index 227f238..eaedb2c 100644 (file)
--- a/src/deoptimizer.cc
+++ b/src/deoptimizer.cc
@@ -2803,7 +2803,10 @@ 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");
+  }
   CopyBytes(chunk->area_start(), desc.buffer,
       static_cast<size_t>(desc.instr_size));
   CpuFeatures::FlushICache(chunk->area_start(), desc.instr_size);