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From: | Simon Leinen |
Subject: | bug#36758: 27.0.50; Mac OS/Lucid/X11: crash with libharfbuzz |
Date: | Mon, 22 Jul 2019 10:42:02 +0200 |
User-agent: | Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (darwin) |
Dear Mitshuaru, thank you for your prompt reply and clear instructions - this is very helpful for me as I don't have any experience with lldb! > Could you try the following instructions? > 1. recompile Emacs with CFLAGS="-O0 -g3" > 2. run it under lldb. > 3. run GNUS and wait for crash happens. > 4. repeat lldb "up" command until it reaches emacs`ftfont_list > (frame #12 in the original stack trace) > 5. run "p file" under lldb. (lldb) p file (FcChar8 *) $0 = 0x00000001071522e0 "/System/Library/Fonts/ArabicUIDisplay.ttc" The file exists : leinen@macsl[leinen]; ls -l /System/Library/Fonts/ArabicUIDisplay.ttc -rw-r--r-- 1 root wheel 983632 Aug 18 2018 /System/Library/Fonts/ArabicUIDisplay.ttc Maybe the code has issue with right-to-left scripts? -- Simon.
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