src/compiler/typer.cc - Issue 2370693002: [compiler] Properly guard the speculative optimizations for instanceof.

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Unified Diff: src/compiler/typer.cc

Issue 2370693002: [compiler] Properly guard the speculative optimizations for instanceof. (Closed)

Patch Set: Fix registers on arm/arm64. Created 4 years, 3 months ago

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Index: src/compiler/typer.cc

diff --git a/src/compiler/typer.cc b/src/compiler/typer.cc

index e33b7764567881f149e760262b26a9a58f2b1f87..ebbf699dab06c4ea10ae58dd624825fd4966f268 100644

--- a/src/compiler/typer.cc

+++ b/src/compiler/typer.cc

@@ -1612,6 +1612,10 @@ Type* Typer::Visitor::TypeCheckTaggedHole(Node* node) {

return type;

}

+Type* Typer::Visitor::TypeCheckHasInPrototypeChain(Node* node) {

+ return Type::Boolean();

Type* Typer::Visitor::TypeConvertTaggedHoleToUndefined(Node* node) {

Type* type = Operand(node, 0);

if (type->Maybe(Type::Hole())) {

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