src/crankshaft/mips64/lithium-codegen-mips64.cc - Issue 2041103007: [es6] Fix prototype chain walk for instanceof.

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Unified Diff: src/crankshaft/mips64/lithium-codegen-mips64.cc

Issue 2041103007: [es6] Fix prototype chain walk for instanceof. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master

Patch Set: Created 4 years, 6 months ago

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Index: src/crankshaft/mips64/lithium-codegen-mips64.cc

diff --git a/src/crankshaft/mips64/lithium-codegen-mips64.cc b/src/crankshaft/mips64/lithium-codegen-mips64.cc

index 280b00cd840ff83b93704b384c1f4d5b5ff19b96..f49fa9ffc9cf4ed8cf34e66a3523301c87035e51 100644

--- a/src/crankshaft/mips64/lithium-codegen-mips64.cc

+++ b/src/crankshaft/mips64/lithium-codegen-mips64.cc

@@ -2536,9 +2536,9 @@ void LCodeGen::DoHasInPrototypeChainAndBranch(

Operand(JS_PROXY_TYPE));

__ ld(object_prototype, FieldMemOperand(object_map, Map::kPrototypeOffset));

- EmitTrueBranch(instr, eq, object_prototype, Operand(prototype));

__ LoadRoot(at, Heap::kNullValueRootIndex);

EmitFalseBranch(instr, eq, object_prototype, Operand(at));

+ EmitTrueBranch(instr, eq, object_prototype, Operand(prototype));

__ Branch(&loop, USE_DELAY_SLOT);

__ ld(object_map, FieldMemOperand(object_prototype,

HeapObject::kMapOffset)); // In delay slot.