| Index: src/arm64/builtins-arm64.cc | 
| diff --git a/src/arm64/builtins-arm64.cc b/src/arm64/builtins-arm64.cc | 
| index e9ad8f165d7b694399e1181effc4a0a5602e0e15..74535ba61598d93cfc88e252ecde53e68b23d86e 100644 | 
| --- a/src/arm64/builtins-arm64.cc | 
| +++ b/src/arm64/builtins-arm64.cc | 
| @@ -156,7 +156,7 @@ void Builtins::Generate_StringConstructCode(MacroAssembler* masm) { | 
| __ Cbz(argc, &no_arguments); | 
| // First args = sp[(argc - 1) * 8]. | 
| __ Sub(argc, argc, 1); | 
| -  __ Claim(argc, kXRegSize); | 
| +  __ Drop(argc, kXRegSize); | 
| // jssp now point to args[0], load and drop args[0] + receiver. | 
| Register arg = argc; | 
| __ Ldr(arg, MemOperand(jssp, 2 * kPointerSize, PostIndex)); | 
|  |