diff options
Diffstat (limited to 'src/runtime/slice.go')
| -rw-r--r-- | src/runtime/slice.go | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/runtime/slice.go b/src/runtime/slice.go index 171087d7f6..f457f41429 100644 --- a/src/runtime/slice.go +++ b/src/runtime/slice.go @@ -53,7 +53,9 @@ func growslice(t *slicetype, old sliceStruct, n int64) sliceStruct { et := t.elem if et.size == 0 { - return sliceStruct{old.array, old.len, cap} + // append should not create a slice with nil pointer but non-zero len. + // We assume that append doesn't need to preserve old.array in this case. + return sliceStruct{unsafe.Pointer(&zerobase), old.len, cap} } newcap := old.cap |