Replace custom builtin invocation instructions by a generic version

src/ia32/lithium-codegen-ia32.cc

Index: src/ia32/lithium-codegen-ia32.cc
diff --git a/src/ia32/lithium-codegen-ia32.cc b/src/ia32/lithium-codegen-ia32.cc
index 2ddeb27148000680f0b3f2e7c7c4de79f5782503..6040c4f8d1ca5ccf0d689d9b82a7e096322167b3 100644
--- a/src/ia32/lithium-codegen-ia32.cc
+++ b/src/ia32/lithium-codegen-ia32.cc
@@ -6375,24 +6375,6 @@ void LCodeGen::DoDummyUse(LDummyUse* instr) {
 }
 
 
-void LCodeGen::DoDeleteProperty(LDeleteProperty* instr) {
-  LOperand* obj = instr->object();
-  LOperand* key = instr->key();
-  __ push(ToOperand(obj));
-  EmitPushTaggedOperand(key);
-  ASSERT(instr->HasPointerMap());
-  LPointerMap* pointers = instr->pointer_map();
-  RecordPosition(pointers->position());
-  // Create safepoint generator that will also ensure enough space in the
-  // reloc info for patching in deoptimization (since this is invoking a
-  // builtin)
-  SafepointGenerator safepoint_generator(
-      this, pointers, Safepoint::kLazyDeopt);
-  __ push(Immediate(Smi::FromInt(strict_mode_flag())));
-  __ InvokeBuiltin(Builtins::DELETE, CALL_FUNCTION, safepoint_generator);
-}
-
-
 void LCodeGen::DoDeferredStackCheck(LStackCheck* instr) {
   PushSafepointRegistersScope scope(this);
   __ mov(esi, Operand(ebp, StandardFrameConstants::kContextOffset));
@@ -6473,20 +6455,6 @@ void LCodeGen::DoOsrEntry(LOsrEntry* instr) {
 }
 
 
-void LCodeGen::DoIn(LIn* instr) {
-  LOperand* obj = instr->object();
-  LOperand* key = instr->key();
-  EmitPushTaggedOperand(key);
-  EmitPushTaggedOperand(obj);
-  ASSERT(instr->HasPointerMap());
-  LPointerMap* pointers = instr->pointer_map();
-  RecordPosition(pointers->position());
-  SafepointGenerator safepoint_generator(
-      this, pointers, Safepoint::kLazyDeopt);
-  __ InvokeBuiltin(Builtins::IN, CALL_FUNCTION, safepoint_generator);
-}
-
-
 void LCodeGen::DoForInPrepareMap(LForInPrepareMap* instr) {
   __ cmp(eax, isolate()->factory()->undefined_value());
   DeoptimizeIf(equal, instr->environment());