gc: add early-out for empty arrays

halleysfifthinc · Nov 12, 2019 · 629d1a6 · 629d1a6
1 parent a77b2c1
commit 629d1a6
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/gc.c b/src/gc.c
@@ -2334,7 +2334,7 @@ mark: {
  }
  goto pop;
  }
- if (!flags.ptrarray || a->data == NULL)
+ if (!flags.ptrarray || a->data == NULL || jl_array_len(a) == 0)
  goto pop;
  size_t l = jl_array_len(a);
  uintptr_t nptr = (l << 2) | (bits & GC_OLD);