| Index: src/x64/full-codegen-x64.cc
|
| diff --git a/src/x64/full-codegen-x64.cc b/src/x64/full-codegen-x64.cc
|
| index 1988cce840d3bfebad72fd79067aee9a4c85b91d..e9ce3119eaf3e0bc3142b331a0ba1d7b06c9c018 100644
|
| --- a/src/x64/full-codegen-x64.cc
|
| +++ b/src/x64/full-codegen-x64.cc
|
| @@ -3333,9 +3333,7 @@ void FullCodeGenerator::EmitFastAsciiArrayJoin(ZoneList<Expression*>* args) {
|
| __ j(not_equal, &bailout);
|
|
|
| // Check that the array has fast elements.
|
| - __ testb(FieldOperand(scratch, Map::kBitField2Offset),
|
| - Immediate(1 << Map::kHasFastElements));
|
| - __ j(zero, &bailout);
|
| + __ CheckFastElements(scratch, &bailout);
|
|
|
| // Array has fast elements, so its length must be a smi.
|
| // If the array has length zero, return the empty string.
|
|
|