toolchain/45573: internal compiler error

[martin%NetBSD.org@localhost]

>Number:         45573
>Category:       toolchain
>Synopsis:       internal compiler error when building f2c on sparc64
>Confidential:   no
>Severity:       serious
>Priority:       high
>Responsible:    toolchain-manager
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sat Nov 05 21:55:00 +0000 2011
>Originator:     Martin Husemann
>Release:        NetBSD 5.99.56
>Organization:
The NetBSD Foundation, Inc.
>Environment:
System: NetBSD sunny-weather.duskware.de 5.99.56 NetBSD 5.99.56 (SUNNY.MP) #24: 
Sat Nov 5 17:04:28 CET 2011 
martin%night-porter.duskware.de@localhost:/usr/src/sys/arch/sparc64/compile/SUNNY.MP
 sparc64
Architecture: sparc64
Machine: sparc64
>Description:

Trying to build any pkg that depends on f2c causes this compiler error:

===> Installing dependencies for f2c-20100903
===> Overriding tools for f2c-20100903
===> Extracting for f2c-20100903
===> Patching for f2c-20100903
=> Applying pkgsrc patches for f2c-20100903
===> Creating toolchain wrappers for f2c-20100903
===> Configuring for f2c-20100903
===> Building for f2c-20100903
rm -f .gdbinit
touch .gdbinit
if gcc sysdeptest.c; then echo '/*OK*/' > sysdep.hd;  elif gcc -DNO_MKDTEMP 
sysdeptest.c; then echo '#define NO_MKDTEMP' > sysdep.hd;  else { echo '#define 
NO_MKDTEMP'; echo '#define NO_MKSTEMP'; } > sysdep.hd; fi
rm -f a.out
#   compile  src/main.o
gcc -O2 -pipe  -std=gnu99 -Werror   -I. -I.  -c    main.c
main.c: In function 'opf':
main.c:752:1: internal compiler error: in maybe_add_or_update_dep_1, at 
sched-deps.c:855
Please submit a full bug report,
with preprocessed source if appropriate.
See  for instructions.
*** Error code 1


>How-To-Repeat:

on sparc64:
        cd /usr/pkgsrc/lang/f2c && make

>Fix:
n/a