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[Bug bootstrap/57438] bootstrap fails on x86_64 darwin in stage2 linking cc1
- From: "ubizjak at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 13 Jan 2016 08:12:28 +0000
- Subject: [Bug bootstrap/57438] bootstrap fails on x86_64 darwin in stage2 linking cc1
- Auto-submitted: auto-generated
- References: <bug-57438-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57438
--- Comment #26 from UroÅ Bizjak <ubizjak at gmail dot com> ---
+ /* If we don't find any, we've got an empty function body; i.e.
+ completely empty - without a return or branch. Reaching an
+ empty function body means UB. Let's trap it. */
+ if (insn == NULL)
+ fputs ("\thlt\n", file);
Probably sou want to use ud2 instruction here.