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

src/arm64/macro-assembler-arm64.cc

Index: src/arm64/macro-assembler-arm64.cc
diff --git a/src/arm64/macro-assembler-arm64.cc b/src/arm64/macro-assembler-arm64.cc
index 16cdf4a5315a04882cd18c6dfc092386fedb1f4d..75814e83a866396c66b89cb601fa2a02e6bf16d1 100644
--- a/src/arm64/macro-assembler-arm64.cc
+++ b/src/arm64/macro-assembler-arm64.cc
@@ -1613,6 +1613,19 @@ void MacroAssembler::AssertName(Register object) {
 }
 
 
+void MacroAssembler::AssertFunction(Register object) {
+  if (emit_debug_code()) {
+    AssertNotSmi(object, kOperandIsASmiAndNotAFunction);
+
+    UseScratchRegisterScope temps(this);
+    Register temp = temps.AcquireX();
+
+    CompareObjectType(object, temp, temp, JS_FUNCTION_TYPE);
+    Check(eq, kOperandIsNotAFunction);
+  }
+}
+
+
 void MacroAssembler::AssertUndefinedOrAllocationSite(Register object,
                                                      Register scratch) {
   if (emit_debug_code()) {
@@ -3045,6 +3058,12 @@ void MacroAssembler::LoadContext(Register dst, int context_chain_length) {
 }
 
 
+void MacroAssembler::LoadGlobalProxy(Register dst) {
+  Ldr(dst, GlobalObjectMemOperand());
+  Ldr(dst, FieldMemOperand(dst, GlobalObject::kGlobalProxyOffset));
+}
+
+
 void MacroAssembler::DebugBreak() {
   Mov(x0, 0);
   Mov(x1, ExternalReference(Runtime::kHandleDebuggerStatement, isolate()));