Strict mode poision pills.

src/arm/codegen-arm.cc

 // Copyright 2010 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 3094 matching lines @@
   // Ignore the return value.
   ASSERT(frame_->height() == original_height);
 }
 
 
 void CodeGenerator::InstantiateFunction(
     Handle<SharedFunctionInfo> function_info,
     bool pretenure) {
   // Use the fast case closure allocation code that allocates in new
   // space for nested functions that don't need literals cloning.
-  if (scope()->is_function_scope() &&
+  if (!pretenure &&
+      scope()->is_function_scope() &&
       function_info->num_literals() == 0 &&
-      !pretenure) {
+      !function_info->strict_mode()) {  // Strict mode functions use slow path.
     FastNewClosureStub stub;
     frame_->EmitPush(Operand(function_info));
     frame_->SpillAll();
     frame_->CallStub(&stub, 1);
     frame_->EmitPush(r0);
   } else {
     // Create a new closure.
     frame_->EmitPush(cp);
     frame_->EmitPush(Operand(function_info));
     frame_->EmitPush(Operand(pretenure
@@ skipping 4277 matching lines @@
                BinaryOpIC::GetName(runtime_operands_type_));
   return name_;
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM