[buffer] Tweak diff re glyph_flags again

We expect the buffer to have no flags that the reference doesn't... Meh. Makes MORX tests pass now. Need to better define the behavior.
7 years ago · cc1e0840ba
parent d49ae5154e
commit cc1e0840ba
1 changed files with 1 additions and 1 deletions
--- a/src/hb-buffer.cc
+++ b/src/hb-buffer.cc
@ -1933,7 +1933,7 @@ hb_buffer_diff (hb_buffer_t *buffer,
      result |= HB_BUFFER_DIFF_FLAG_CODEPOINT_MISMATCH;
    if (buf_info->cluster != ref_info->cluster)
      result |= HB_BUFFER_DIFF_FLAG_CLUSTER_MISMATCH;
-    if (((buf_info->mask & HB_GLYPH_FLAG_DEFINED) & (ref_info->mask & HB_GLYPH_FLAG_DEFINED)) != (ref_info->mask & HB_GLYPH_FLAG_DEFINED))
+    if ((buf_info->mask & ~ref_info->mask & HB_GLYPH_FLAG_DEFINED))
      result |= HB_BUFFER_DIFF_FLAG_GLYPH_FLAGS_MISMATCH;
    if (contains && ref_info->codepoint == dottedcircle_glyph)
      result |= HB_BUFFER_DIFF_FLAG_DOTTED_CIRCLE_PRESENT;