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Check for initialized code stub descriptor in the deoptimizer.

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R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/448683002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22932 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
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yangguo@chromium.org 2014-08-06 13:18:49 +00:00
parent 0ef3978a13
commit 5894a48d37
1 changed files with 3 additions and 0 deletions
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3
src/deoptimizer.cc
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@ -1624,6 +1624,9 @@ void Deoptimizer::DoComputeCompiledStubFrame(TranslationIterator* iterator,
int major_key = CodeStub::GetMajorKey(compiled_code_);
CodeStubInterfaceDescriptor* descriptor =
isolate_->code_stub_interface_descriptor(major_key);
// Check that there is a matching descriptor to the major key.
// This will fail if there has not been one installed to the isolate.
DCHECK_EQ(descriptor->MajorKey(), major_key);
// The output frame must have room for all pushed register parameters
// and the standard stack frame slots. Include space for an argument