[Bug middle-end/65517] [5 Regression] ICE: in get_loop_body, at cfgloop.c:856

[Bug middle-end/65517] [5 Regression] ICE: in get_loop_body, at cfgloop.c:856

[trippels at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65517

--- Comment #2 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
Started with r221409.

trippels@gcc2-power8 ~ % ~/gcc_build_dir_/gcc/cc1 -fpreprocessed foo.i -quiet
-dumpbase foo.i -auxbase foo -O2 -w -version -o /dev/null
GNU C11 (GCC) version 5.0.0 20150313 (experimental)
(powerpc64le-unknown-linux-gnu)
        compiled by GNU C version 4.9.2 20141101 (Red Hat 4.9.2-1), GMP version
6.0.0, MPFR version 3.1.2, MPC version 1.0.2
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
GNU C11 (GCC) version 5.0.0 20150313 (experimental)
(powerpc64le-unknown-linux-gnu)
        compiled by GNU C version 4.9.2 20141101 (Red Hat 4.9.2-1), GMP version
6.0.0, MPFR version 3.1.2, MPC version 1.0.2
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
Compiler executable checksum: 2d7bc906d0f6d4e6259d8a0bcfb20c0d
foo.i: In function ‘main’:
foo.i:13:1: error: size of loop 1 should be 1, not 2
 }
 ^
foo.i:13:1: internal compiler error: in verify_loop_structure, at
cfgloop.c:1652
0x102e6a4f verify_loop_structure()
        ../../gcc/gcc/cfgloop.c:1652
0x1061f8e3 loop_optimizer_init(unsigned int)
        ../../gcc/gcc/loop-init.c:123
0x1094059f perform_tree_ssa_dce
        ../../gcc/gcc/tree-ssa-dce.c:1637
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions
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From: "hubicka at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug ipa/65502] pure-const should play well with clobbers.
Date: Sun, 22 Mar 2015 22:47:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?ide502

--- Comment #2 from Jan Hubicka <hubicka at gcc dot gnu.org> ---
Author: hubicka
Date: Sun Mar 22 21:10:24 2015
New Revision: 221574

URL: https://gcc.gnu.org/viewcvs?rev"1574&root=gcc&view=rev
Log:

    PR ipa/65502
    * ipa-comdats.c (enqueue_references): Walk through thunks.
    (ipa_comdats): Likewise.
    (set_comdat_group_1): New function.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/ipa-comdats.c

[Bug middle-end/65517] [5 Regression] ICE: in get_loop_body, at cfgloop.c:856

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65517

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Priority|P3                          |P1
             Status|NEW                         |ASSIGNED
           Assignee|unassigned at gcc dot gnu.org      |rguenth at gcc dot gnu.org
   Target Milestone|---                         |5.0

--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
Mine.

[Bug middle-end/65517] [5 Regression] ICE: in get_loop_body, at cfgloop.c:856

[trippels at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65517

Markus Trippelsdorf <trippels at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|---                         |FIXED

--- Comment #5 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
Fixed.
BTW the testcase has DOS line-endings.

[Bug middle-end/65517] [5 Regression] ICE: in get_loop_body, at cfgloop.c:856

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65517

--- Comment #6 from Richard Biener <rguenth at gcc dot gnu.org> ---
(In reply to Markus Trippelsdorf from comment #5)
> Fixed.
> BTW the testcase has DOS line-endings.

Yes, cut&pasting from firefox adds those for some very stupid reason (and I
can't figure out how to "fix" that).