Remove override mode from BinaryOpStub

src/ia32/full-codegen-ia32.cc

Index: src/ia32/full-codegen-ia32.cc
diff --git a/src/ia32/full-codegen-ia32.cc b/src/ia32/full-codegen-ia32.cc
index 6d39cc1e6e5045bd2f7237e835f2384d37085f1b..257fb3fd61fe50775b0cf325cc44adc2d088ef0b 100644
--- a/src/ia32/full-codegen-ia32.cc
+++ b/src/ia32/full-codegen-ia32.cc
@@ -1895,18 +1895,14 @@ void FullCodeGenerator::VisitAssignment(Assignment* expr) {
     __ push(eax);  // Left operand goes on the stack.
     VisitForAccumulatorValue(expr->value());
 
-    OverwriteMode mode = expr->value()->ResultOverwriteAllowed()
-        ? OVERWRITE_RIGHT
-        : NO_OVERWRITE;
     SetSourcePosition(expr->position() + 1);
     if (ShouldInlineSmiCase(op)) {
       EmitInlineSmiBinaryOp(expr->binary_operation(),
                             op,
-                            mode,
                             expr->target(),
                             expr->value());
     } else {
-      EmitBinaryOp(expr->binary_operation(), op, mode);
+      EmitBinaryOp(expr->binary_operation(), op);
     }
 
     // Deoptimization point in case the binary operation may have side effects.
@@ -2233,7 +2229,6 @@ void FullCodeGenerator::EmitKeyedPropertyLoad(Property* prop) {
 
 void FullCodeGenerator::EmitInlineSmiBinaryOp(BinaryOperation* expr,
                                               Token::Value op,
-                                              OverwriteMode mode,
                                               Expression* left,
                                               Expression* right) {
   // Do combined smi check of the operands. Left operand is on the
@@ -2247,7 +2242,7 @@ void FullCodeGenerator::EmitInlineSmiBinaryOp(BinaryOperation* expr,
 
   __ bind(&stub_call);
   __ mov(eax, ecx);
-  BinaryOpStub stub(op, mode);
+  BinaryOpStub stub(op);
   CallIC(stub.GetCode(isolate()), RelocInfo::CODE_TARGET,
          expr->BinaryOperationFeedbackId());
   patch_site.EmitPatchInfo();
@@ -2329,10 +2324,9 @@ void FullCodeGenerator::EmitInlineSmiBinaryOp(BinaryOperation* expr,
 
 
 void FullCodeGenerator::EmitBinaryOp(BinaryOperation* expr,
-                                     Token::Value op,
-                                     OverwriteMode mode) {
+                                     Token::Value op) {
   __ pop(edx);
-  BinaryOpStub stub(op, mode);
+  BinaryOpStub stub(op);
   JumpPatchSite patch_site(masm_);    // unbound, signals no inlined smi code.
   CallIC(stub.GetCode(isolate()), RelocInfo::CODE_TARGET,
          expr->BinaryOperationFeedbackId());
@@ -4467,7 +4461,7 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
   // Call stub for +1/-1.
   __ mov(edx, eax);
   __ mov(eax, Immediate(Smi::FromInt(1)));
-  BinaryOpStub stub(expr->binary_op(), NO_OVERWRITE);
+  BinaryOpStub stub(expr->binary_op());
   CallIC(stub.GetCode(isolate()),
          RelocInfo::CODE_TARGET,
          expr->CountBinOpFeedbackId());