| Index: src/runtime/runtime-numbers.cc
|
| diff --git a/src/runtime/runtime-numbers.cc b/src/runtime/runtime-numbers.cc
|
| index ae2633c234496785b1bd1ca10793f6e968da88ba..7e6712ad230614f648304c41bd63540d30ce2caa 100644
|
| --- a/src/runtime/runtime-numbers.cc
|
| +++ b/src/runtime/runtime-numbers.cc
|
| @@ -548,6 +548,15 @@
|
| }
|
|
|
|
|
| +RUNTIME_FUNCTION(Runtime_IsNonNegativeSmi) {
|
| + SealHandleScope shs(isolate);
|
| + DCHECK(args.length() == 1);
|
| + CONVERT_ARG_CHECKED(Object, obj, 0);
|
| + return isolate->heap()->ToBoolean(obj->IsSmi() &&
|
| + Smi::cast(obj)->value() >= 0);
|
| +}
|
| +
|
| +
|
| RUNTIME_FUNCTION(Runtime_GetRootNaN) {
|
| SealHandleScope shs(isolate);
|
| DCHECK(args.length() == 0);
|
|
|