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ported mozilla upstream bug: Bug 1607443 - Fix some alias sets. r=tcampbell, a=lizzard

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This commit is contained in:
Roy Tam 2020-01-10 17:03:52 +08:00
commit b8ab527949
2 changed files with 2 additions and 11 deletions
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4
js/src/jit/AliasAnalysisShared.cpp
View file

@ -86,8 +86,6 @@ GetObject(const MDefinition* ins)
case MDefinition::Op_SetInitializedLength:
case MDefinition::Op_ArrayLength:
case MDefinition::Op_SetArrayLength:
case MDefinition::Op_StoreElementHole:
case MDefinition::Op_FallibleStoreElement:
case MDefinition::Op_TypedObjectDescr:
case MDefinition::Op_Slots:
case MDefinition::Op_Elements:
@ -143,6 +141,8 @@ GetObject(const MDefinition* ins)
case MDefinition::Op_WasmStoreGlobalVar:
case MDefinition::Op_ArrayJoin:
case MDefinition::Op_ArraySlice:
case MDefinition::Op_StoreElementHole:
case MDefinition::Op_FallibleStoreElement:
return nullptr;
default:
#ifdef DEBUG

9
js/src/jit/MIR.h
View file

@ -9490,12 +9490,6 @@ class MStoreElementHole
TRIVIAL_NEW_WRAPPERS
NAMED_OPERANDS((0, object), (1, elements), (2, index), (3, value))
AliasSet getAliasSet() const override {
// StoreElementHole can update the initialized length, the array length
// or reallocate obj->elements.
return AliasSet::Store(AliasSet::ObjectFields | AliasSet::Element);
}
ALLOW_CLONE(MStoreElementHole)
};
@ -9526,9 +9520,6 @@ class MFallibleStoreElement
TRIVIAL_NEW_WRAPPERS
NAMED_OPERANDS((0, object), (1, elements), (2, index), (3, value))
AliasSet getAliasSet() const override {
return AliasSet::Store(AliasSet::ObjectFields | AliasSet::Element);
}
bool strict() const {
return strict_;
}