[builtins] Unify the various versions of [[Call]] with a Call builtin.

src/arm/macro-assembler-arm.cc

Index: src/arm/macro-assembler-arm.cc
diff --git a/src/arm/macro-assembler-arm.cc b/src/arm/macro-assembler-arm.cc
index 057a59cf522fbf89e334d1d618c8c19bb136fccd..3f0ff1aa11da999f622eee4e83d2e6fa2a3e8180 100644
--- a/src/arm/macro-assembler-arm.cc
+++ b/src/arm/macro-assembler-arm.cc
@@ -2641,6 +2641,12 @@ void MacroAssembler::LoadContext(Register dst, int context_chain_length) {
 }
 
 
+void MacroAssembler::LoadGlobalProxy(Register dst) {
+  ldr(dst, GlobalObjectOperand());
+  ldr(dst, FieldMemOperand(dst, GlobalObject::kGlobalProxyOffset));
+}
+
+
 void MacroAssembler::LoadTransitionedArrayMapConditional(
     ElementsKind expected_kind,
     ElementsKind transitioned_kind,
@@ -2802,6 +2808,19 @@ void MacroAssembler::AssertName(Register object) {
 }
 
 
+void MacroAssembler::AssertFunction(Register object) {
+  if (emit_debug_code()) {
+    STATIC_ASSERT(kSmiTag == 0);
+    tst(object, Operand(kSmiTagMask));
+    Check(ne, kOperandIsASmiAndNotAFunction);
+    push(object);
+    CompareObjectType(object, object, object, JS_FUNCTION_TYPE);
+    pop(object);
+    Check(eq, kOperandIsNotAFunction);
+  }
+}
+
+
 void MacroAssembler::AssertUndefinedOrAllocationSite(Register object,
                                                      Register scratch) {
   if (emit_debug_code()) {