diff options
| -rw-r--r-- | js/src/frontend/BytecodeEmitter.cpp | 39 | ||||
| -rw-r--r-- | js/src/frontend/FoldConstants.cpp | 7 |
2 files changed, 4 insertions, 42 deletions
diff --git a/js/src/frontend/BytecodeEmitter.cpp b/js/src/frontend/BytecodeEmitter.cpp index b3b658a2d..309d6c290 100644 --- a/js/src/frontend/BytecodeEmitter.cpp +++ b/js/src/frontend/BytecodeEmitter.cpp @@ -5896,20 +5896,9 @@ BytecodeEmitter::emitDestructuringOpsObject(ParseNode* pattern, DestructuringFla if (!emitNumberOp(key->pn_dval)) // ... *SET RHS *LREF RHS KEY return false; } else if (key->isKind(PNK_OBJECT_PROPERTY_NAME) || key->isKind(PNK_STRING)) { - PropertyName* name = key->pn_atom->asPropertyName(); - - // The parser already checked for atoms representing indexes and - // used PNK_NUMBER instead, but also watch for ids which TI treats - // as indexes for simplification of downstream analysis. - jsid id = NameToId(name); - if (id != IdToTypeId(id)) { - if (!emitTree(key)) // ... *SET RHS *LREF RHS KEY - return false; - } else { - if (!emitAtomOp(name, JSOP_GETPROP)) // ... *SET RHS *LREF PROP - return false; - needsGetElem = false; - } + if (!emitAtomOp(key->pn_atom, JSOP_GETPROP)) // ... *SET RHS *LREF PROP + return false; + needsGetElem = false; } else { if (!emitComputedPropertyName(key)) // ... *SET RHS *LREF RHS KEY return false; @@ -5986,17 +5975,7 @@ BytecodeEmitter::emitDestructuringObjRestExclusionSet(ParseNode* pattern) return false; isIndex = true; } else if (key->isKind(PNK_OBJECT_PROPERTY_NAME) || key->isKind(PNK_STRING)) { - // The parser already checked for atoms representing indexes and - // used PNK_NUMBER instead, but also watch for ids which TI treats - // as indexes for simplification of downstream analysis. - jsid id = NameToId(key->pn_atom->asPropertyName()); - if (id != IdToTypeId(id)) { - if (!emitTree(key)) - return false; - isIndex = true; - } else { - pnatom.set(key->pn_atom); - } + pnatom.set(key->pn_atom); } else { // Otherwise this is a computed property name which needs to // be added dynamically. @@ -9689,16 +9668,6 @@ BytecodeEmitter::emitPropertyList(ParseNode* pn, MutableHandlePlainObject objp, { continue; } - - // The parser already checked for atoms representing indexes and - // used PNK_NUMBER instead, but also watch for ids which TI treats - // as indexes for simplification of downstream analysis. - jsid id = NameToId(key->pn_atom->asPropertyName()); - if (id != IdToTypeId(id)) { - if (!emitTree(key)) - return false; - isIndex = true; - } } else { if (!emitComputedPropertyName(key)) return false; diff --git a/js/src/frontend/FoldConstants.cpp b/js/src/frontend/FoldConstants.cpp index 441a72a45..689fa02b4 100644 --- a/js/src/frontend/FoldConstants.cpp +++ b/js/src/frontend/FoldConstants.cpp @@ -1345,15 +1345,8 @@ FoldElement(ExclusiveContext* cx, ParseNode** nodePtr, Parser<FullParseHandler>& if (!name) return true; - // Also don't optimize if the name doesn't map directly to its id for TI's - // purposes. - if (NameToId(name) != IdToTypeId(NameToId(name))) - return true; - // Optimization 3: We have expr["foo"] where foo is not an index. Convert // to a property access (like expr.foo) that optimizes better downstream. - // Don't bother with this for names that TI considers to be indexes, to - // simplify downstream analysis. ParseNode* dottedAccess = parser.handler.newPropertyAccess(expr, name, node->pn_pos.end); if (!dottedAccess) return false; |