A64: Synchronize with r15358.

src/a64/macro-assembler-a64.cc

Index: src/a64/macro-assembler-a64.cc
diff --git a/src/a64/macro-assembler-a64.cc b/src/a64/macro-assembler-a64.cc
index bda00d8e44212231a76164a584c7d9130cebfc0f..aec18e72dc9b950ca876ac28a049ffac4c5cd79b 100644
--- a/src/a64/macro-assembler-a64.cc
+++ b/src/a64/macro-assembler-a64.cc
@@ -2158,6 +2158,18 @@ void MacroAssembler::JumpIfBothInstanceTypesAreNotSequentialAscii(
 }
 
 
+void MacroAssembler::JumpIfNotUniqueName(Register type,
+                                         Label* not_unique_name) {
+  STATIC_ASSERT(((SYMBOL_TYPE - 1) & kIsInternalizedMask) == kInternalizedTag);
+  // if ((type < kInternalizedTag) || (type > SYMBOL_TYPE)) {
+  //   goto not_unique_name;
+  // }
+  Cmp(type, kInternalizedTag);
+  Ccmp(type, SYMBOL_TYPE, NVFlag, ge);
+  B(gt, not_unique_name);
+}
+
+
 void MacroAssembler::GenerateNumberUnaryOperation(Token::Value op,
                                                   InvokeFlag flag) {
   Runtime::FunctionId fid;