[bit-set-invertible] Fix previous() iteration

2021-08-19 16:30:48 -06:00 · 2021-08-19 16:30:48 -06:00 · 8f88747a5e
parent 3f2cc582f2
commit 8f88747a5e
1 changed files with 1 additions and 1 deletions
--- a/src/hb-bit-set-invertible.hh
+++ b/src/hb-bit-set-invertible.hh
@ -239,7 +239,7 @@ struct hb_bit_set_invertible_t
    auto old = *codepoint;
    auto v = old;
    s.previous (&v);
-    if (old - 1 > v)
+    if (old - 1 > v || v == INVALID)
    {
      *codepoint = old - 1;
      return true;