| Index: src/runtime/runtime-wasm.cc
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| diff --git a/src/runtime/runtime-wasm.cc b/src/runtime/runtime-wasm.cc
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| index b4b62a16df89e96a0b4ad518775e21f5dd0e3080..b966edf65bef1a193d4133563f1cedfee7981205 100644
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| --- a/src/runtime/runtime-wasm.cc
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| +++ b/src/runtime/runtime-wasm.cc
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| @@ -136,6 +136,14 @@ RUNTIME_FUNCTION(Runtime_ThrowWasmError) {
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|    return ThrowRuntimeError(isolate, message_id, byte_offset, true);
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|  }
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|  
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| +RUNTIME_FUNCTION(Runtime_ThrowWasmStackOverflow) {
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| +  SealHandleScope shs(isolate);
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| +  DCHECK_LE(0, args.length());
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| +  DCHECK_NULL(isolate->context());
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| +  isolate->set_context(GetWasmContextOnStackTop(isolate));
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| +  return isolate->StackOverflow();
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| +}
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| +
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|  RUNTIME_FUNCTION(Runtime_WasmThrowTypeError) {
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|    HandleScope scope(isolate);
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|    DCHECK_EQ(0, args.length());
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| 
 |