Strict mode poision pills.

src/arm/lithium-codegen-arm.cc

Index: src/arm/lithium-codegen-arm.cc
diff --git a/src/arm/lithium-codegen-arm.cc b/src/arm/lithium-codegen-arm.cc
index aa252f1fcfd3c2baa5a8b63e798583ce3eb2bf4e..9c5963d596a3f642d267c7de75e5828864009b25 100644
--- a/src/arm/lithium-codegen-arm.cc
+++ b/src/arm/lithium-codegen-arm.cc
@@ -3720,7 +3720,8 @@ void LCodeGen::DoFunctionLiteral(LFunctionLiteral* instr) {
   // 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) {
+  if (!pretenure && shared_info->num_literals() == 0 &&
+      !shared_info->strict_mode()) {  // Strict mode functions use slow path.
     FastNewClosureStub stub;
     __ mov(r1, Operand(shared_info));
     __ push(r1);