Make (some) functions called from builtin functions use the callback's global as receiver.

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 97f7fea793386103358d085e8081892341ec55a1..0973d0153fe28958b40e68edf540a11f98204709 100644
--- a/src/arm/full-codegen-arm.cc
+++ b/src/arm/full-codegen-arm.cc
@@ -3580,39 +3580,6 @@ void FullCodeGenerator::EmitFastAsciiArrayJoin(ZoneList<Expression*>* args) {
 }
 
 
-void FullCodeGenerator::EmitIsNativeOrStrictMode(ZoneList<Expression*>* args) {
-  ASSERT(args->length() == 1);
-
-  // Load the function into r0.
-  VisitForAccumulatorValue(args->at(0));
-
-  // Prepare for the test.
-  Label materialize_true, materialize_false;
-  Label* if_true = NULL;
-  Label* if_false = NULL;
-  Label* fall_through = NULL;
-  context()->PrepareTest(&materialize_true, &materialize_false,
-                         &if_true, &if_false, &fall_through);
-
-  // Test for strict mode function.
-  __ ldr(r1, FieldMemOperand(r0, JSFunction::kSharedFunctionInfoOffset));
-  __ ldr(r1, FieldMemOperand(r1, SharedFunctionInfo::kCompilerHintsOffset));
-  __ tst(r1, Operand(1 << (SharedFunctionInfo::kStrictModeFunction +
-                           kSmiTagSize)));
-  __ b(ne, if_true);
-
-  // Test for native function.
-  __ tst(r1, Operand(1 << (SharedFunctionInfo::kNative + kSmiTagSize)));
-  __ b(ne, if_true);
-
-  // Not native or strict-mode function.
-  __ b(if_false);
-
-  PrepareForBailoutBeforeSplit(TOS_REG, true, if_true, if_false);
-  context()->Plug(if_true, if_false);
-}
-
-
 void FullCodeGenerator::VisitCallRuntime(CallRuntime* expr) {
   Handle<String> name = expr->name();
   if (name->length() > 0 && name->Get(0) == '_') {