Avoid bitwise negate of enum value
Fixes this -fno-sanitize-recover=undefined fail,
hb-ot-map.hh:188:1: runtime error: load of value 4294967294, which is not a valid value for type 'hb_ot_map_feature_flags_t'
#0 0x7f62bfa9b227 in operator&=(hb_ot_map_feature_flags_t&, hb_ot_map_feature_flags_t) /home/ebrahim/Desktop/harfbuzz/src/./hb-ot-map.hh:188:1
#1 0x7f62bfa9b227 in hb_ot_map_builder_t::compile(hb_ot_map_t&, hb_ot_shape_plan_key_t const&) /home/ebrahim/Desktop/harfbuzz/src/hb-ot-map.cc:194
#2 0x7f62bface650 in hb_ot_shape_planner_t::compile(hb_ot_shape_plan_t&, hb_ot_shape_plan_key_t const&) /home/ebrahim/Desktop/harfbuzz/src/hb-ot-shape.cc:108:7
#3 0x7f62bfacec1e in hb_ot_shape_plan_t::init0(hb_face_t*, hb_shape_plan_key_t const*) /home/ebrahim/Desktop/harfbuzz/src/hb-ot-shape.cc:225:11
#4 0x7f62bfae1318 in hb_shape_plan_create2 /home/ebrahim/Desktop/harfbuzz/src/hb-shape-plan.cc:232:7
#5 0x7f62bfae1d2a in hb_shape_plan_create_cached2 /home/ebrahim/Desktop/harfbuzz/src/hb-shape-plan.cc:489:33
#6 0x7f62bfae2527 in hb_shape_full /home/ebrahim/Desktop/harfbuzz/src/hb-shape.cc:135:33
#7 0x55ed360b6588 in shape_options_t::shape(hb_font_t*, hb_buffer_t*, char const**) /home/ebrahim/Desktop/harfbuzz/util/./options.hh:242:10
#8 0x55ed360b5d9c in shape_consumer_t<output_buffer_t>::consume_line(char const*, unsigned int, char const*, char const*) /home/ebrahim/Desktop/harfbuzz/util/./shape-consumer.hh:67:19
#9 0x55ed360b549f in main_font_text_t<shape_consumer_t<output_buffer_t>, 2147483647, 0>::main(int, char**) /home/ebrahim/Desktop/harfbuzz/util/./main-font-text.hh:81:16
#10 0x55ed360b4e23 in main /home/ebrahim/Desktop/harfbuzz/util/hb-shape.cc:189:17
#11 0x7f62bf104ee2 in __libc_start_main (/usr/lib/libc.so.6+0x26ee2)
#12 0x55ed3608f7ad in _start (/home/ebrahim/Desktop/harfbuzz/util/.libs/lt-hb-shape+0xd7ad)
diff --git a/src/hb-ot-map.cc b/src/hb-ot-map.cc
index 6d623f5..d40c67a 100644
--- a/src/hb-ot-map.cc
+++ b/src/hb-ot-map.cc
@@ -191,7 +191,8 @@
feature_infos[j].max_value = feature_infos[i].max_value;
feature_infos[j].default_value = feature_infos[i].default_value;
} else {
- feature_infos[j].flags &= ~F_GLOBAL;
+ if (feature_infos[j].flags & F_GLOBAL)
+ feature_infos[j].flags ^= F_GLOBAL;
feature_infos[j].max_value = hb_max (feature_infos[j].max_value, feature_infos[i].max_value);
/* Inherit default_value from j */
}
