[Bug rtl-optimization/56885] ICE: in assign_by_spills, at lra-assigns.c:1268 with -O -fschedule-insns -fselective-scheduling

["izamyatin at gmail dot com" <gcc-bugzilla@gcc.gnu.org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56885

Igor Zamyatin <izamyatin at gmail dot com> changed:

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--- Comment #3 from Igor Zamyatin <izamyatin at gmail dot com> 2013-04-09 06:58:22 UTC ---
(In reply to comment #1)
> Confirmed with trunk/4.8, but with 4.6/4.7 I see:
> 
> x.c:20:1: error: unable to find a register to spill in class ‘DIREG’
> x.c:20:1: error: this is the insn:
> (insn 33 36 35 5 (parallel [
>             (set (reg:DI 2 cx [80])
>                 (const_int 0 [0]))
>             (set (reg/f:DI 0 ax [78])
>                 (plus:DI (reg/f:DI 1 dx [77])
>                     (reg:DI 2 cx [80])))
>             (set (mem:BLK (reg/f:DI 1 dx [77]) [0 S15 A8])
>                 (const_int 0 [0]))
>             (use (reg:QI 6 bp [81]))
>             (use (reg:DI 2 cx [80]))
>         ]) x.c:16 884 {*rep_stosqi}
>      (expr_list:REG_DEAD (reg/f:DI 1 dx [77])
>         (expr_list:REG_UNUSED (reg:DI 2 cx [80])
>             (expr_list:REG_UNUSED (reg/f:DI 0 ax [78])
>                 (nil)))))
> x.c:20: confused by earlier errors, bailing out

The same error on 4.9 when IRA is turned on
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From: "jakub at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/56886] [4.9 regression] undesirable instantiation of class template default argument
Date: Tue, 09 Apr 2013 07:42:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?idV886

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

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                 CC|                            |jakub at gcc dot gnu.org

--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> 2013-04-09 07:41:57 UTC ---
Dup of PR56838 ?