[Bug target/57636] New: cr16: ICE while building libgcc

[Bug target/57636] New: cr16: ICE while building libgcc

[stefan at astylos dot dk]

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57636

            Bug ID: 57636
           Summary: cr16: ICE while building libgcc
           Product: gcc
           Version: 4.8.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: stefan at astylos dot dk
            Target: cr16-none-elf

# ./configure --target cr16-none-elf
# make all-gcc all-target-libgcc'
...
make[4]: Entering directory
`/home/ssorensen/sources/gcc-build/cr16-none-elf/far-pic/libgcc'
# If this is the top-level multilib, build all the other
# multilibs.
/home/ssorensen/sources/gcc-build/./gcc/xgcc
-B/home/ssorensen/sources/gcc-build/./gcc/ -B/usr/local/cr16-none-elf/bin/
-B/usr/local/cr16-none-elf/lib/ -isystem /usr/local/cr16-none-elf/include
-isystem /usr/local/cr16-none-elf/sys-include    -g -O2 -fPIC -mcr16cplus
-mdata-model=far -O2  -g -O2 -DIN_GCC -DCROSS_DIRECTORY_STRUCTURE  -W -Wall
-Wno-narrowing -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../../../../gcc/libgcc -I../../../../gcc/libgcc/.
-I../../../../gcc/libgcc/../gcc -I../../../../gcc/libgcc/../include 
-DHAVE_CC_TLS -DUSE_EMUTLS -o _udivmoddi4.o -MT _udivmoddi4.o -MD -MP -MF
_udivmoddi4.dep -DL_udivmoddi4 -c ../../../../gcc/libgcc/libgcc2.c \
  -fexceptions -fnon-call-exceptions -fvisibility=hidden -DHIDE_EXPORTS
../../../../gcc/libgcc/libgcc2.c: In function ‘__udivmoddi4’:
../../../../gcc/libgcc/libgcc2.c:1112:1: internal compiler error: in
variable_post_merge_new_vals, at var-tracking.c:4430
 }
 ^
0x8d514b variable_post_merge_new_vals
    ../../gcc/gcc/var-tracking.c:4428
0x9e5cf7 htab_traverse_noresize
    ../../gcc/libiberty/hashtab.c:784
0x8d8511 dataflow_post_merge_adjust
    ../../gcc/gcc/var-tracking.c:4540
0x8d8511 vt_find_locations
    ../../gcc/gcc/var-tracking.c:6965
0x8de854 variable_tracking_main_1
    ../../gcc/gcc/var-tracking.c:10166
0x8de854 variable_tracking_main()
    ../../gcc/gcc/var-tracking.c:10212

Removing either the -g or the -O2 from the compile command avoids the ICE.

It was introduced in trunk@188870:
2012-06-21  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/53671
        PR debug/49888
        * var-tracking.c (vt_initialize): Record initial offset between
        arg pointer and stack pointer.
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Subject: [Bug c/57630] Error should include -stdÁ1 and friends
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http://gcc.gnu.org/bugzilla/show_bug.cgi?idW630

--- Comment #3 from lailavrazda1979 at gmail dot com ---
Looks good to me.

[Bug target/57636] cr16: ICE while building libgcc

[stefan at astylos dot dk]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57636

--- Comment #1 from Stefan Sørensen <stefan at astylos dot dk> ---
Created attachment 30318
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30318&action=edit
Simple testcase that triggers the ICE when built with -Os -g
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Subject: [Bug lto/57613] [LTO] error "multiple definition symbol" for local symbol
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http://gcc.gnu.org/bugzilla/show_bug.cgi?idW613

Dmitry G. Dyachenko <dimhen at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|WAITING                     |RESOLVED
         Resolution|---                         |INVALID

[Bug target/57636] cr16: ICE while building libgcc

[jon at beniston dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57636

Jon Beniston <jon at beniston dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |jon at beniston dot com

--- Comment #2 from Jon Beniston <jon at beniston dot com> ---
This looks similar to bug 57232 which is the same ICE on the RX and LM32 ports.

[Bug target/57636] cr16: ICE while building libgcc

[gcc at mag32 dot net]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57636

--- Comment #4 from gcc at mag32 dot net ---
Created attachment 31134
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=31134&action=edit
-save-temps file

This is the -save-temps file generated when I run the offending command.

[Bug target/57636] cr16: ICE while building libgcc

[jon at beniston dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57636

--- Comment #5 from Jon Beniston <jon at beniston dot com> ---
It's worth trying the fix posted for bug 57232.

[Bug target/57636] cr16: ICE while building libgcc

[yselkowi at redhat dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57636

--- Comment #6 from Yaakov Selkowitz <yselkowi at redhat dot com> ---
This is working in 4.9.2, so it seems that indeed fixed it.

[Bug target/57636] cr16: ICE while building libgcc

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57636

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|---                         |4.9.2
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|---                         |FIXED

--- Comment #7 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Yaakov Selkowitz from comment #6)
> This is working in 4.9.2, so it seems that indeed fixed it.

So closing.