Make functions on the built-in object non-writable.

src/arm/full-codegen-arm.cc

Index: src/arm/full-codegen-arm.cc
diff --git a/src/arm/full-codegen-arm.cc b/src/arm/full-codegen-arm.cc
index 1fdc01d7c7e2d598538a7e3f2d23b9cce9d87f4d..c18b9c34f7d0801ce32050be7b24ceef5e802348 100644
--- a/src/arm/full-codegen-arm.cc
+++ b/src/arm/full-codegen-arm.cc
@@ -774,11 +774,10 @@ void FullCodeGenerator::VisitDeclaration(Declaration* decl) {
 void FullCodeGenerator::DeclareGlobals(Handle<FixedArray> pairs) {
   // Call the runtime to declare the globals.
   // The context is the first argument.
-  __ mov(r2, Operand(pairs));
-  __ mov(r1, Operand(Smi::FromInt(is_eval() ? 1 : 0)));
-  __ mov(r0, Operand(Smi::FromInt(strict_mode_flag())));
-  __ Push(cp, r2, r1, r0);
-  __ CallRuntime(Runtime::kDeclareGlobals, 4);
+  __ mov(r1, Operand(pairs));
+  __ mov(r0, Operand(Smi::FromInt(DeclareGlobalsFlags())));
+  __ Push(cp, r1, r0);
+  __ CallRuntime(Runtime::kDeclareGlobals, 3);
   // Return value is ignored.
 }