Re: NetBSD/vax 11.0RC1

["Maciej W. Rozycki" <macro%orcam.me.uk@localhost>]

On Mon, 23 Feb 2026, Ken Wellsch wrote:

> /bin/sh ./libtool  --tag=CC   --mode=compile cc -DHAVE_CONFIG_H -I. -I/usr/src/tools/gcc/../../external/gpl3/gcc/dist/libbacktrace  -I /usr/src/tools/gcc/../../external/gpl3/gcc/dist/libbacktrace/../include -I /usr/src/tools/gcc/../../external/gpl3/gcc/dist/libbacktrace/../libgcc -I ../libgcc -DNETBSD_TOOLS -DTARGET_SYSTEM_ROOT=0  -DTARGET_SYSTEM_ROOT_RELOCATABLE -DNB_FIX_VAX_BACKEND -funwind-tables -frandom-seed=mmapio.lo -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition -Wmissing-format-attribute -Wcast-qual   -O   -c -o mmapio.lo /usr/src/tools/gcc/../../external/gpl3/gcc/dist/libbacktrace/mmapio.c
> libtool: compile:  cc -DHAVE_CONFIG_H -I. -I/usr/src/tools/gcc/../../external/gpl3/gcc/dist/libbacktrace -I /usr/src/tools/gcc/../../external/gpl3/gcc/dist/libbacktrace/../include -I /usr/src/tools/gcc/../../external/gpl3/gcc/dist/libbacktrace/../libgcc -I ../libgcc -DNETBSD_TOOLS -DTARGET_SYSTEM_ROOT=0 -DTARGET_SYSTEM_ROOT_RELOCATABLE -DNB_FIX_VAX_BACKEND -funwind-tables -frandom-seed=mmapio.lo -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition -Wmissing-format-attribute -Wcast-qual -O -c /usr/src/tools/gcc/../../external/gpl3/gcc/dist/libbacktrace/mmapio.c  -fPIC -DPIC -o .libs/mmapio.o
> libtool: compile:  cc -DHAVE_CONFIG_H -I. -I/usr/src/tools/gcc/../../external/gpl3/gcc/dist/libbacktrace -I /usr/src/tools/gcc/../../external/gpl3/gcc/dist/libbacktrace/../include -I /usr/src/tools/gcc/../../external/gpl3/gcc/dist/libbacktrace/../libgcc -I ../libgcc -DNETBSD_TOOLS -DTARGET_SYSTEM_ROOT=0 -DTARGET_SYSTEM_ROOT_RELOCATABLE -DNB_FIX_VAX_BACKEND -funwind-tables -frandom-seed=mmapio.lo -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition -Wmissing-format-attribute -Wcast-qual -O -c /usr/src/tools/gcc/../../external/gpl3/gcc/dist/libbacktrace/mmapio.c -o mmapio.o >/dev/null 2>&1
> /bin/sh ./libtool  --tag=CC   --mode=compile cc -DHAVE_CONFIG_H -I. -I/usr/src/tools/gcc/../../external/gpl3/gcc/dist/libbacktrace  -I /usr/src/tools/gcc/../../external/gpl3/gcc/dist/libbacktrace/../include -I /usr/src/tools/gcc/../../external/gpl3/gcc/dist/libbacktrace/../libgcc -I ../libgcc -DNETBSD_TOOLS -DTARGET_SYSTEM_ROOT=0  -DTARGET_SYSTEM_ROOT_RELOCATABLE -DNB_FIX_VAX_BACKEND -funwind-tables -frandom-seed=mmap.lo -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition -Wmissing-format-attribute -Wcast-qual   -O   -c -o mmap.lo /usr/src/tools/gcc/../../external/gpl3/gcc/dist/libbacktrace/mmap.c
> libtool: compile:  cc -DHAVE_CONFIG_H -I. -I/usr/src/tools/gcc/../../external/gpl3/gcc/dist/libbacktrace -I /usr/src/tools/gcc/../../external/gpl3/gcc/dist/libbacktrace/../include -I /usr/src/tools/gcc/../../external/gpl3/gcc/dist/libbacktrace/../libgcc -I ../libgcc -DNETBSD_TOOLS -DTARGET_SYSTEM_ROOT=0 -DTARGET_SYSTEM_ROOT_RELOCATABLE -DNB_FIX_VAX_BACKEND -funwind-tables -frandom-seed=mmap.lo -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition -Wmissing-format-attribute -Wcast-qual -O -c /usr/src/tools/gcc/../../external/gpl3/gcc/dist/libbacktrace/mmap.c  -fPIC -DPIC -o .libs/mmap.o
> during RTL pass: bbro
> /usr/src/tools/gcc/../../external/gpl3/gcc/dist/libbacktrace/mmap.c: In function 'backtrace_free':
> /usr/src/tools/gcc/../../external/gpl3/gcc/dist/libbacktrace/mmap.c:238:1: internal compiler error: in redirect_jump, at jump.cc:1495
>   238 | }
>       | ^
> 0xeea666 diagnostic_impl(rich_location*, diagnostic_metadata const*, int, char const*, void**, diagnostic_t)
>         ???:0
> 0xeea8ef internal_error(char const*, ...)
>         ???:0
> 0xfbaab2 fancy_abort(char const*, int, char const*)
>         ???:0
> 0x456702 redirect_jump(rtx_jump_insn*, rtx_def*, int)
>         ???:0
> 0x77087f force_nonfallthru_and_redirect(edge_def*, basic_block_def*, rtx_def*)
>         ???:0
> 0x771fbc cfg_layout_finalize()
>         ???:0
> 0x77d525 (anonymous namespace)::pass_reorder_blocks::execute(function*)
>         ???:0
> Please submit a full bug report, with preprocessed source (by using -freport-bug).
> Please include the complete backtrace with any bug report.
> See <http://www.NetBSD.org/support/send-pr.html> for instructions.
> nbgmake[2]: *** [mmap.lo] Error 1
> nbgmake[2]: Leaving directory `/usr/obj/tools/gcc/build/libbacktrace'
> nbgmake[1]: *** [all] Error 2
> nbgmake[1]: Leaving directory `/usr/obj/tools/gcc/build/libbacktrace'
> nbgmake: *** [all-libbacktrace] Error 2

 If this is reproducible with upstream GCC, then I can have a look into 
it.

  Maciej