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[Bug debug/66688] [6 Regression] compare debug failure building Linux kernel on ppc64le
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 14 Dec 2015 14:26:14 +0000
- Subject: [Bug debug/66688] [6 Regression] compare debug failure building Linux kernel on ppc64le
- Auto-submitted: auto-generated
- References: <bug-66688-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66688
--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
(In reply to Jakub Jelinek from comment #4)
> Created attachment 37027 [details]
> gcc6-pr66688.patch
>
> I think this just went latent with those changes. The problem I see is that
> cleanup_control_flow_bb can be called before fixup_noreturn_call is
> performed, and in that case can either find a noreturn call at the end of bb
> if -g0 or can't if the noreturn call is followed by some debug stmts. This
> hunk fixes the case so that it is handled the same.
Hum, why not just s/gsi_last_bb/gsi_last_nondebug_bb/?