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-rw-r--r--src/pkg/runtime/slice.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/pkg/runtime/slice.c b/src/pkg/runtime/slice.c
index d2cc1684ee..b977f45824 100644
--- a/src/pkg/runtime/slice.c
+++ b/src/pkg/runtime/slice.c
@@ -114,7 +114,7 @@ runtime·growslice(SliceType *t, Slice old, int64 n, Slice ret)
cap = old.cap + n;
- if((intgo)cap != cap || cap < old.cap || cap > MaxMem / t->elem->size)
+ if((intgo)cap != cap || cap < old.cap || (t->elem->size > 0 && cap > MaxMem/t->elem->size))
runtime·panicstring("growslice: cap out of range");
growslice1(t, old, cap, &ret);