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[Coverage] Speed up subset for too-large Coverage tables 

Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=54980
This commit is contained in:
Behdad Esfahbod 2023-01-10 10:18:29 -07:00
parent 8460909e0c
commit 0728098e45
1 changed files with 1 additions and 0 deletions
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src/OT/Layout/Common/Coverage.hh
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@ -147,6 +147,7 @@ struct Coverage
TRACE_SUBSET (this); TRACE_SUBSET (this);
auto it = auto it =
+ iter () + iter ()
| hb_take (c->plan->source->get_num_glyphs ())
| hb_filter (c->plan->glyph_map_gsub) | hb_filter (c->plan->glyph_map_gsub)
| hb_map_retains_sorting (c->plan->glyph_map_gsub) | hb_map_retains_sorting (c->plan->glyph_map_gsub)
; ;