diff options
Diffstat (limited to 'src/runtime/map_fast32.go')
| -rw-r--r-- | src/runtime/map_fast32.go | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/runtime/map_fast32.go b/src/runtime/map_fast32.go index 534454f3ad..d035ed0386 100644 --- a/src/runtime/map_fast32.go +++ b/src/runtime/map_fast32.go @@ -299,8 +299,12 @@ search: continue } // Only clear key if there are pointers in it. - if t.key.ptrdata != 0 { - memclrHasPointers(k, t.key.size) + // This can only happen if pointers are 32 bit + // wide as 64 bit pointers do not fit into a 32 bit key. + if sys.PtrSize == 4 && t.key.ptrdata != 0 { + // The key must be a pointer as we checked pointers are + // 32 bits wide and the key is 32 bits wide also. + *(*unsafe.Pointer)(k) = nil } e := add(unsafe.Pointer(b), dataOffset+bucketCnt*4+i*uintptr(t.elemsize)) if t.elem.ptrdata != 0 { |