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[Bug ipa/78365] [7 Regression] ICE in determine_value_range, at tree-ssa-loo p-niter.c:413
- From: "pinskia at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 16 Jan 2017 21:33:51 +0000
- Subject: [Bug ipa/78365] [7 Regression] ICE in determine_value_range, at tree-ssa-loo p-niter.c:413
- Auto-submitted: auto-generated
- References: <bug-78365-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78365
--- Comment #12 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Andrew Pinski from comment #11)
> (In reply to Andrew Senkevich from comment #10)
> > This commit breaks 5 SPEC CPU 2006 benchmarks (416.gamess, 454.calculix,
> > 459.GemsFDTD, 465.tonto, 481.wrf) with ICE on x86_64 (and looks like on
> > aarch64 the same - https://gcc.gnu.org/ml/gcc/2017-01/msg00126.html).
>
> Looks like a GC issue as I was reducing the code but removing the comments
> and empty lines caused the testcase to no longer crash. Adding --param
> ggc-min-expand=1 --param ggc-min-heapsize=1 allowed it to ICE now.
Filed the reduced testcase as PR 79108.