[strong] Disallow implicit conversions for comparison

src/ppc/lithium-codegen-ppc.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/v8.h"
 
 #include "src/base/bits.h"
 #include "src/code-factory.h"
 #include "src/code-stubs.h"
 #include "src/cpu-profiler.h"
@@ skipping 2653 matching lines @@
       UNREACHABLE();
       return kNoCondition;
   }
 }
 
 
 void LCodeGen::DoStringCompareAndBranch(LStringCompareAndBranch* instr) {
   DCHECK(ToRegister(instr->context()).is(cp));
   Token::Value op = instr->op();
 
-  Handle<Code> ic = CodeFactory::CompareIC(isolate(), op).code();
+  Handle<Code> ic = CodeFactory::CompareIC(isolate(), op, SLOPPY).code();
   CallCode(ic, RelocInfo::CODE_TARGET, instr);
   // This instruction also signals no smi code inlined
   __ cmpi(r3, Operand::Zero());
 
   Condition condition = ComputeCompareCondition(op);
 
   EmitBranch(instr, condition);
 }
 
 
@@ skipping 286 matching lines @@
   // Put the result value (r3) into the result register slot and
   // restore all registers.
   __ StoreToSafepointRegisterSlot(r3, ToRegister(instr->result()));
 }
 
 
 void LCodeGen::DoCmpT(LCmpT* instr) {
   DCHECK(ToRegister(instr->context()).is(cp));
   Token::Value op = instr->op();
 
-  Handle<Code> ic = CodeFactory::CompareIC(isolate(), op).code();
+  Handle<Code> ic =
+      CodeFactory::CompareIC(isolate(), op, instr->language_mode()).code();
   CallCode(ic, RelocInfo::CODE_TARGET, instr);
   // This instruction also signals no smi code inlined
   __ cmpi(r3, Operand::Zero());
 
   Condition condition = ComputeCompareCondition(op);
   if (CpuFeatures::IsSupported(ISELECT)) {
     __ LoadRoot(r4, Heap::kTrueValueRootIndex);
     __ LoadRoot(r5, Heap::kFalseValueRootIndex);
     __ isel(condition, ToRegister(instr->result()), r4, r5);
   } else {
@@ skipping 3223 matching lines @@
   __ Push(scope_info);
   __ push(ToRegister(instr->function()));
   CallRuntime(Runtime::kPushBlockContext, 2, instr);
   RecordSafepoint(Safepoint::kNoLazyDeopt);
 }
 
 
 #undef __
 }
 }  // namespace v8::internal