src/x64/full-codegen-x64.cc - Issue 962263002: Disallow subclassing Arrays.

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Unified Diff: src/x64/full-codegen-x64.cc

Issue 962263002: Disallow subclassing Arrays. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master

Patch Set: Fixes for debug-code issues Created 5 years, 10 months ago

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Index: src/x64/full-codegen-x64.cc

diff --git a/src/x64/full-codegen-x64.cc b/src/x64/full-codegen-x64.cc

index 9434b6b799dddaef4fed423556503c8d5859227b..85b0355a9bea16cf7395169fb8334022f829c672 100644

--- a/src/x64/full-codegen-x64.cc

+++ b/src/x64/full-codegen-x64.cc

@@ -4117,6 +4117,7 @@ void FullCodeGenerator::EmitDefaultConstructorCallSuper(CallRuntime* expr) {

__ bind(&args_set_up);

__ movp(rdi, Operand(rsp, rax, times_pointer_size, 0));

+ __ LoadRoot(rbx, Heap::kUndefinedValueRootIndex);

CallConstructStub stub(isolate(), SUPER_CONSTRUCTOR_CALL);

__ call(stub.GetCode(), RelocInfo::CONSTRUCT_CALL);

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