[HB] Fix lookup_flag ignoring
Reported by Keith Stribley on HarfBuzz list.
diff --git a/src/hb-ot-layout-common-private.hh b/src/hb-ot-layout-common-private.hh
index 0d0a2db..570f40f 100644
--- a/src/hb-ot-layout-common-private.hh
+++ b/src/hb-ot-layout-common-private.hh
@@ -244,6 +244,7 @@
IgnoreBaseGlyphs = 0x0002u,
IgnoreLigatures = 0x0004u,
IgnoreMarks = 0x0008u,
+ IgnoreFlags = 0x000Eu,
UseMarkFilteringSet = 0x0010u,
Reserved = 0x00E0u,
MarkAttachmentType = 0xFF00u
diff --git a/src/hb-ot-layout.cc b/src/hb-ot-layout.cc
index 3b6b8da..67b2b9a 100644
--- a/src/hb-ot-layout.cc
+++ b/src/hb-ot-layout.cc
@@ -148,7 +148,7 @@
/* Not covered, if, for example, glyph class is ligature and
* lookup_flags includes LookupFlags::IgnoreLigatures
*/
- if (property & lookup_flags)
+ if (property & lookup_flags & LookupFlag::IgnoreFlags)
return false;
if (property & HB_OT_LAYOUT_GLYPH_CLASS_MARK)
