[Bug middle-end/64552] New: Build broken for cris-elf and others

[Bug middle-end/64552] New: Build broken for cris-elf and others

[hp at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64552

            Bug ID: 64552
           Summary: Build broken for cris-elf and others
           Product: gcc
           Version: unknown
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
          Assignee: unassigned at gcc dot gnu.org
          Reporter: hp at gcc dot gnu.org
                CC: marxin at gcc dot gnu.org

Created attachment 34414
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=34414&action=edit
Observe crash with ./cc1  -quiet -fpreprocessed unwind-dw2.i -O2 -o
unwind-dw2.s

With a commit in the range (219373:219378] but from the crash message obviously
r219377, the build is broken for cris-elf, and
<http://gcc.gnu.org/ml/gcc-patches/2015-01/msg00534.html> indicates a similar
(but not identical) crash for arm-eabi.  Configure for cris-elf, then build and
observe, building libgcc:

/tmp/hpautotest-gcc1/cris-elf/gccobj/./gcc/xgcc
-B/tmp/hpautotest-gcc1/cris-elf/gccobj/./gcc/ -nostdinc
-B/tmp/hpautotest-gcc1/cris-elf/gccobj/cris-elf/newlib/ -isystem
/tmp/hpautotest-gcc1/cris-elf/gccobj/cris-elf/newlib/targ-include -isystem
/tmp/hpautotest-gcc1/gcc/newlib/libc/include
-B/tmp/hpautotest-gcc1/cris-elf/gccobj/cris-elf/libgloss/cris
-L/tmp/hpautotest-gcc1/cris-elf/gccobj/cris-elf/libgloss/libnosys
-L/tmp/hpautotest-gcc1/gcc/libgloss/cris
-B/tmp/hpautotest-gcc1/cris-elf/pre/cris-elf/bin/
-B/tmp/hpautotest-gcc1/cris-elf/pre/cris-elf/lib/ -isystem
/tmp/hpautotest-gcc1/cris-elf/pre/cris-elf/include -isystem
/tmp/hpautotest-gcc1/cris-elf/pre/cris-elf/sys-include    -g -O2 -march=v8
-mbest-lib-options -O2  -g -O2 -DIN_GCC  -DCROSS_DIRECTORY_STRUCTURE  -W -Wall
-Wwrite-strings -Wcast-qual -Wstrict-prototypes -Wmissing-prototypes
-Wold-style-definition  -isystem ./include   -g -DIN_LIBGCC2 -fbuilding-libgcc
-fno-stack-protector -Dinhibit_libc  -I. -I. -I../../.././gcc
-I/tmp/hpautotest-gcc1/gcc/libgcc -I/tmp/hpautotest-gcc1/gcc/libgcc/.
-I/tmp/hpautotest-gcc1/gcc/libgcc/../gcc
-I/tmp/hpautotest-gcc1/gcc/libgcc/../include  -DHAVE_CC_TLS -DUSE_EMUTLS -o
unwind-dw2.o -MT unwind-dw2.o -MD -MP -MF unwind-dw2.dep -fexceptions -c
/tmp/hpautotest-gcc1/gcc/libgcc/unwind-dw2.c -fvisibility=hidden -DHIDE_EXPORTS
/tmp/hpautotest-gcc1/gcc/libgcc/unwind-dw2.c:1695:0: internal compiler error:
Segmentation fault

 ^
0x9bd705 crash_signal
        /tmp/hpautotest-gcc1/gcc/gcc/toplev.c:366
0xd682b9 tree_check
        /tmp/hpautotest-gcc1/gcc/gcc/tree.h:2778
0xd682b9 target_opts_for_fn
        /tmp/hpautotest-gcc1/gcc/gcc/tree.h:4681
0xd682b9 ipa_icf::sem_function::equals_private(ipa_icf::sem_item*,
hash_map<symtab_node*, ipa_icf::sem_item*, default_hashmap_traits>&)
        /tmp/hpautotest-gcc1/gcc/gcc/ipa-icf.c:431
0xd68dd9 ipa_icf::sem_function::equals(ipa_icf::sem_item*,
hash_map<symtab_node*, ipa_icf::sem_item*, default_hashmap_traits>&)
        /tmp/hpautotest-gcc1/gcc/gcc/ipa-icf.c:386
0xd64425 ipa_icf::sem_item_optimizer::subdivide_classes_by_equality(bool)
        /tmp/hpautotest-gcc1/gcc/gcc/ipa-icf.c:1893
0xd675cc ipa_icf::sem_item_optimizer::execute()
        /tmp/hpautotest-gcc1/gcc/gcc/ipa-icf.c:1712
0xd6a501 ipa_icf_driver
        /tmp/hpautotest-gcc1/gcc/gcc/ipa-icf.c:2441
0xd6a501 ipa_icf::pass_ipa_icf::execute(function*)
        /tmp/hpautotest-gcc1/gcc/gcc/ipa-icf.c:2489
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.
make[4]: *** [unwind-dw2.o] Error 1
make[4]: Leaving directory
`/tmp/hpautotest-gcc1/cris-elf/gccobj/cris-elf/v8/libgcc'

Preprocessed code attached, committer of failing revision CC:ed.

[Bug middle-end/64552] Build broken for cris-elf and others

[hp at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64552

Hans-Peter Nilsson <hp at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Target|                            |cris-elf
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2015-01-09
               Host|                            |x86_64-linux
     Ever confirmed|0                           |1

[Bug middle-end/64552] Build broken for cris-elf and others

[renlin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64552

renlin at gcc dot gnu.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |renlin at gcc dot gnu.org
         Resolution|---                         |DUPLICATE

--- Comment #1 from renlin at gcc dot gnu.org ---
presumably a duplicate of 64551

*** This bug has been marked as a duplicate of bug 64551 ***

[Bug middle-end/64552] Build broken for cris-elf and others

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64552

--- Comment #2 from Martin Liška <marxin at gcc dot gnu.org> ---
Author: marxin
Date: Mon Jan 12 09:02:33 2015
New Revision: 219449

URL: https://gcc.gnu.org/viewcvs?rev=219449&root=gcc&view=rev
Log:
PR ipa/64550

        PR ipa/64551
    PR ipa/64552
    * ipa-icf.c (sem_function::equals_private): Use '&&' instead of
    '||' to fix typo issue.

    * gcc/tree.h (target_opts_for_fn): Check NULL_TREE since it can
    accept and return NULL.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/ipa-icf.c
    trunk/gcc/tree.h
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Subject: [Bug ipa/63967] [5 Regression] r217633 caused internal compiler error: in estimate_edge_growth, at ipa-inline.h:299
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63967

Uroš Bizjak <ubizjak at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|WAITING                     |NEW

--- Comment #5 from Uroš Bizjak <ubizjak at gmail dot com> ---
(In reply to Jan Hubicka from comment #4)
> Bug in PRPR63470  is C++ only. I however commited today another fix for this
> ICE occuring with ICF and -fprofile-use. So I believe this bug should be
> fixed. Can you, please, confirm it?

The profiledbootstrap with r219444 still fails [1].

[1] https://gcc.gnu.org/ml/gcc-regression/2015-01/msg00182.html
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Subject: [Bug ipa/64550] [5 Regression] IPA fixes cause ICE in tree-ssa.c:939
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64550

--- Comment #6 from Martin Liška <marxin at gcc dot gnu.org> ---
Author: marxin
Date: Mon Jan 12 09:02:33 2015
New Revision: 219449

URL: https://gcc.gnu.org/viewcvs?rev=219449&root=gcc&view=rev
Log:
PR ipa/64550

        PR ipa/64551
    PR ipa/64552
    * ipa-icf.c (sem_function::equals_private): Use '&&' instead of
    '||' to fix typo issue.

    * gcc/tree.h (target_opts_for_fn): Check NULL_TREE since it can
    accept and return NULL.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/ipa-icf.c
    trunk/gcc/tree.h
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Subject: [Bug ipa/64551] Segfault in target_opts_for_fn (from ipa_icf::sem_function::equals_private)
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64551

--- Comment #5 from Martin Liška <marxin at gcc dot gnu.org> ---
Author: marxin
Date: Mon Jan 12 09:02:33 2015
New Revision: 219449

URL: https://gcc.gnu.org/viewcvs?rev=219449&root=gcc&view=rev
Log:
PR ipa/64550

        PR ipa/64551
    PR ipa/64552
    * ipa-icf.c (sem_function::equals_private): Use '&&' instead of
    '||' to fix typo issue.

    * gcc/tree.h (target_opts_for_fn): Check NULL_TREE since it can
    accept and return NULL.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/ipa-icf.c
    trunk/gcc/tree.h
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Subject: [Bug ipa/64551] Segfault in target_opts_for_fn (from ipa_icf::sem_function::equals_private)
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64551

Martin Liška <marxin at gcc dot gnu.org> changed:

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

--- Comment #6 from Martin Liška <marxin at gcc dot gnu.org> ---
Fixed.
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Subject: [Bug middle-end/64498] [5 Regression] Cannot build Firefox with LTO: ICE in substitute_and_fold_dom_walker::before_dom_children
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Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |jakub at gcc dot gnu.org

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
If the final result is -g0, then clearing flag_var_tracking_assignments is
desirable, if the final result is -g and any of the inputs have debug stmts,
then either you need to turn flag_var_tracking_assignments whenever any inputs
has debug stmts, or remove the debug stmts if you want to keep it cleared.