[Isolates] Merge 7201:7258 from bleeding_edge to isolates.

src/arm/lithium-codegen-arm.cc

Index: src/arm/lithium-codegen-arm.cc
===================================================================
--- src/arm/lithium-codegen-arm.cc	(revision 7254)
+++ src/arm/lithium-codegen-arm.cc	(working copy)
@@ -3533,12 +3533,18 @@
 
 void LCodeGen::DoCheckSmi(LCheckSmi* instr) {
   LOperand* input = instr->InputAt(0);
-  ASSERT(input->IsRegister());
   __ tst(ToRegister(input), Operand(kSmiTagMask));
-  DeoptimizeIf(instr->condition(), instr->environment());
+  DeoptimizeIf(ne, instr->environment());
 }
 
 
+void LCodeGen::DoCheckNonSmi(LCheckNonSmi* instr) {
+  LOperand* input = instr->InputAt(0);
+  __ tst(ToRegister(input), Operand(kSmiTagMask));
+  DeoptimizeIf(eq, instr->environment());
+}
+
+
 void LCodeGen::DoCheckInstanceType(LCheckInstanceType* instr) {
   Register input = ToRegister(instr->InputAt(0));
   Register scratch = scratch0();
@@ -3728,8 +3734,9 @@
   // space for nested functions that don't need literals cloning.
   Handle<SharedFunctionInfo> shared_info = instr->shared_info();
   bool pretenure = instr->hydrogen()->pretenure();
-  if (shared_info->num_literals() == 0 && !pretenure) {
-    FastNewClosureStub stub;
+  if (!pretenure && shared_info->num_literals() == 0) {
+    FastNewClosureStub stub(
+        shared_info->strict_mode() ? kStrictMode : kNonStrictMode);
     __ mov(r1, Operand(shared_info));
     __ push(r1);
     CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr);