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[Bug rtl-optimization/67954] [5 / 6 Regression] internal compiler error: in patch_jump_insn, at cfgrtl.c:1303
- From: "vmakarov at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 25 Nov 2015 18:03:37 +0000
- Subject: [Bug rtl-optimization/67954] [5 / 6 Regression] internal compiler error: in patch_jump_insn, at cfgrtl.c:1303
- Auto-submitted: auto-generated
- References: <bug-67954-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67954
--- Comment #7 from Vladimir Makarov <vmakarov at gcc dot gnu.org> ---
The problem occurred in rare cases when a pseudo created from a scratch was
reloaded and assigned to reg and memory back again. The new reload pseudo
loses "created from clobber" mark and occurs more once in insns.