Issue #1679 - Part4: Clean up commented-out/WIP code.

js/src/regexp/regexp-native-macro-assembler.cc

@@ -89,17 +89,6 @@ void SMRegExpMacroAssembler::AdvanceRegister(int reg, int by) {
 }
 
 void SMRegExpMacroAssembler::Backtrack() {
-    // Check for an interrupt.
-    /*Label noInterrupt;
-    Address lhs = Address(cx_->runtime()->addressOfInterruptUint32());
-    masm_.branchtest32(Assembler::Zero,
-                       lhs,
-                       Imm32(0),
-                       &noInterrupt);
-    masm_.movePtr(ImmWord(RegExpRunStatus_Error), temp0_);
-    masm_.jump(&exit_label_);
-    masm_.bind(&noInterrupt);
-*/
     // Pop code location from backtrack stack and jump to location.
     Pop(temp0_);
     masm_.jump(temp0_);

js/src/regexp/regexp-shim.cc

@@ -127,8 +127,6 @@ PseudoHandle<ByteArrayData> ByteArray::takeOwnership(Isolate* isolate) {
 }
 
 void Isolate::trace(JSTracer* trc) {
-  //js::gc::AssertRootMarkingPhase(trc);
-
   for (auto iter = handleArena_.Iter(); !iter.Done(); iter.Next()) {
     auto& elem = iter.Get();
     JS::GCPolicy<JS::Value>::trace(trc, &elem, "Isolate handle arena");

js/src/regexp/regexp-shim.h

@@ -1173,7 +1173,6 @@ extern bool FLAG_trace_regexp_bytecodes;
 extern bool FLAG_trace_regexp_parser;
 extern bool FLAG_trace_regexp_peephole_optimization;
 
-// #define V8_USE_COMPUTED_GOTO 1
 #define COMPILING_IRREGEXP_FOR_EXTERNAL_EMBEDDER
 
 }  // namespace internal