https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80928

--- Comment #10 from rguenther at suse dot de <rguenther at suse dot de> ---
On Wed, 7 Jun 2017, ro at gcc dot gnu.org wrote:

> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80928
> 
> Rainer Orth <ro at gcc dot gnu.org> changed:
> 
>            What    |Removed                     |Added
> ----------------------------------------------------------------------------
>                  CC|                            |ro at gcc dot gnu.org
> 
> --- Comment #5 from Rainer Orth <ro at gcc dot gnu.org> ---
> The patch also caused a couple of regressions on i386-pc-solaris2.12:
> 
> +FAIL: gcc.dg/vect/slp-perm-8.c (internal compiler error)
> +FAIL: gcc.dg/vect/slp-perm-8.c (test for excess errors)
> +FAIL: gcc.dg/vect/slp-perm-8.c -flto -ffat-lto-objects (internal compiler
> error
> )
> +FAIL: gcc.dg/vect/slp-perm-8.c -flto -ffat-lto-objects (test for excess
> errors)
> +WARNING: gcc.dg/vect/slp-perm-8.c -flto -ffat-lto-objects compilation failed
> to
>  produce executable
> +WARNING: gcc.dg/vect/slp-perm-8.c compilation failed to produce executable

Can't reproduce with a cross.

> Excess errors:
> during GIMPLE pass: vect
> dump file: slp-perm-8.c.156t.vect
> /vol/gcc/src/hg/trunk/local/gcc/testsuite/gcc.dg/vect/slp-perm-8.c:25:5:
> internal compiler error: in operator[], at vec.h:729
> 0x8b58359 vec<edge_def*, va_gc, vl_embed>::operator[](unsigned int)
>         /vol/gcc/src/hg/trunk/local/gcc/vec.h:729
> 0x8b58359 gimple_phi_arg_edge
>         /vol/gcc/src/hg/trunk/local/gcc/gimple.h:4398
> 0x8b58359 dump_gimple_phi
>         /vol/gcc/src/hg/trunk/local/gcc/gimple-pretty-print.c:2185
> 0x8b5a668 print_gimple_stmt(__FILE*, gimple*, int, unsigned long long)
>         /vol/gcc/src/hg/trunk/local/gcc/gimple-pretty-print.c:117
> 0x8a254c5 dump_gimple_stmt(unsigned long long, unsigned long long, gimple*,
> int)
>         /vol/gcc/src/hg/trunk/local/gcc/dumpfile.c:340
> 0x90750dd vect_schedule_slp_instance
>         /vol/gcc/src/hg/trunk/local/gcc/tree-vect-slp.c:3680
> 0x9074f6f vect_schedule_slp_instance
>         /vol/gcc/src/hg/trunk/local/gcc/tree-vect-slp.c:3641
> 0x9074f6f vect_schedule_slp_instance
>         /vol/gcc/src/hg/trunk/local/gcc/tree-vect-slp.c:3641
> 0x9074f6f vect_schedule_slp_instance
>         /vol/gcc/src/hg/trunk/local/gcc/tree-vect-slp.c:3641
> 0x9075861 vect_schedule_slp(vec_info*)
>         /vol/gcc/src/hg/trunk/local/gcc/tree-vect-slp.c:3834
> 0x905a2ba vect_transform_loop(_loop_vec_info*)
>         /vol/gcc/src/hg/trunk/local/gcc/tree-vect-loop.c:7151
> 0x907b4e8 vectorize_loops()
>         /vol/gcc/src/hg/trunk/local/gcc/tree-vectorizer.c:690
> 
>   32 and 64-bit x86

That is, i686-linux with -m32 / -m64?  I see no issues on
x86_64 with -m32 or -m64.

> +FAIL: libgomp.fortran/vla1.f90   -O3 -fomit-frame-pointer -funroll-loops
> -fpeel
> -loops -ftracer -finline-functions  (internal compiler error)
> +FAIL: libgomp.fortran/vla1.f90   -O3 -fomit-frame-pointer -funroll-loops
> -fpeel
> -loops -ftracer -finline-functions  (test for excess errors)
> +WARNING: libgomp.fortran/vla1.f90   -O3 -fomit-frame-pointer -funroll-loops
> -fp
> eel-loops -ftracer -finline-functions  compilation failed to produce 
> executable
> +FAIL: libgomp.fortran/vla1.f90   -O3 -g  (internal compiler error)
> +FAIL: libgomp.fortran/vla1.f90   -O3 -g  (test for excess errors)
> +WARNING: libgomp.fortran/vla1.f90   -O3 -g  compilation failed to produce
> execu
> table
> 
>   and several more
> 
> Excess errors:
> during GIMPLE pass: vect
> /vol/gcc/src/hg/trunk/local/libgomp/testsuite/libgomp.fortran/vla1.f90:40:0:
> internal compiler error: in vect_free_slp_tree, at tree-vect-slp.c:62
> 0x90e874f vect_free_slp_tree
>         /vol/gcc/src/hg/trunk/local/gcc/tree-vect-slp.c:62
> 0x90e859d vect_free_slp_tree
>         /vol/gcc/src/hg/trunk/local/gcc/tree-vect-slp.c:55
> 0x90e859d vect_free_slp_tree
>         /vol/gcc/src/hg/trunk/local/gcc/tree-vect-slp.c:55
> 0x90e859d vect_free_slp_tree
>         /vol/gcc/src/hg/trunk/local/gcc/tree-vect-slp.c:55
> 0x90eb870 vect_free_slp_instance(_slp_instance*)
>         /vol/gcc/src/hg/trunk/local/gcc/tree-vect-slp.c:80
> 0x90d5678 vect_transform_loop(_loop_vec_info*)
>         /vol/gcc/src/hg/trunk/local/gcc/tree-vect-loop.c:7249
> 0x90f6a48 vectorize_loops()
>         /vol/gcc/src/hg/trunk/local/gcc/tree-vectorizer.c:690
>
>   64-bit x86

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