[gpos] Fix unsafe-to-break of mark-attachment
This was undetected because most of the time marks were in same cluster of their base already. Fixes https://github.com/harfbuzz/harfbuzz/issues/3093
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@ -706,7 +706,7 @@ struct MarkArray : Array16Of<MarkRecord> /* Array of MarkRecords--in Coverage or
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float mark_x, mark_y, base_x, base_y;
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buffer->unsafe_to_break (glyph_pos, buffer->idx);
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buffer->unsafe_to_break (glyph_pos, buffer->idx + 1);
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mark_anchor.get_anchor (c, buffer->cur().codepoint, &mark_x, &mark_y);
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glyph_anchor.get_anchor (c, buffer->info[glyph_pos].codepoint, &base_x, &base_y);
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@ -1,4 +1,4 @@
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#../fonts/gpos4_simple_1.otf;--features="test" --single-par --no-clusters --no-glyph-names --ned;U+0011,U+0012,U+0013,U+0011;[17|18@1500,0|19@1400,-80|17@3000,0]
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../fonts/gpos4_simple_1.otf;--features="test" --single-par --no-clusters --no-glyph-names --ned;U+0011,U+0012,U+0013,U+0011;[17|18@1500,0|19@1400,-80|17@3000,0]
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../fonts/gpos4_simple_1.otf;--features="test" --single-par --no-clusters --no-glyph-names --ned;U+0011,U+0011,U+0013,U+0011;[17|17@1500,0|19@3000,0|17@3000,0]
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../fonts/gpos4_simple_1.otf;--features="test" --single-par --no-clusters --no-glyph-names --ned;U+0019,U+0019,U+0013,U+0011;[25|25@1500,0|19@3000,0|17@3000,0]
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#../fonts/gpos4_simple_1.otf;--features="test" --single-par --no-clusters --no-glyph-names --ned;U+0011,U+0012,U+0013,U+0013,U+0011;[17|18@1500,0|19@1400,-80|19@-100,-80|17@3000,0]
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@ -1,2 +1,2 @@
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../fonts/gpos5_font1.otf;--features="test" --single-par --no-clusters --no-glyph-names --ned;U+0011,U+001E,U+0013,U+001F,U+0011;[17|18@1500,0|19@1400,-80|17@3000,0]
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#../fonts/gpos5_font1.otf;--features="test" --single-par --no-clusters --no-glyph-names --ned;U+0011,U+001E,U+001F,U+0013,U+0011;[17|18@1500,0|19@1401,-79|17@3000,0]
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../fonts/gpos5_font1.otf;--features="test" --single-par --no-clusters --no-glyph-names --ned;U+0011,U+001E,U+001F,U+0013,U+0011;[17|18@1500,0|19@1401,-79|17@3000,0]
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