3.1 bootstrap failure on irix6.5

[Billinghurst, David (CRTS)]

CVS 3.1 bootstrap fails with

./xgcc -B./ -B/exd4/billingd/tmp/gcc-mainline/mips-sgi-irix6.5/bin/ -isystem
/exd4/billingd/tmp/gcc-mainline/mips-sgi-irix6.5/include  -DIN_GCC    -W
-Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -isystem
./include  -I. -I. -I/exd4/billingd/src/gcc-mainline/gcc
-I/exd4/billingd/src/gcc-mainline/gcc/.
-I/exd4/billingd/src/gcc-mainline/gcc/config
-I/exd4/billingd/src/gcc-mainline/gcc/../include  -g0 \
  -finhibit-size-directive -fno-inline-functions \
  -fno-exceptions -g1  \
  -c /exd4/billingd/src/gcc-mainline/gcc/crtstuff.c -DCRT_BEGIN -o
crtbegin.o
/exd4/billingd/src/gcc-mainline/gcc/crtstuff.c:390: warning: no previous
prototype for `__do_global_dtors'
/exd4/billingd/src/gcc-mainline/gcc/crtstuff.c: In function
`__do_global_dtors':
/exd4/billingd/src/gcc-mainline/gcc/crtstuff.c:392: `__DTOR_LIST__'
undeclared (first use in this function)
/exd4/billingd/src/gcc-mainline/gcc/crtstuff.c:392: (Each undeclared
identifier is reported only once
/exd4/billingd/src/gcc-mainline/gcc/crtstuff.c:392: for each function it
appears in.)
/exd4/billingd/src/gcc-mainline/gcc/crtstuff.c:397: `__EH_FRAME_BEGIN__'
undeclared (first use in this function)
/exd4/billingd/src/gcc-mainline/gcc/crtstuff.c: At top level:
/exd4/billingd/src/gcc-mainline/gcc/crtstuff.c:407: warning: no previous
prototype for `__frame_dummy'
/exd4/billingd/src/gcc-mainline/gcc/crtstuff.c: In function `__frame_dummy':
/exd4/billingd/src/gcc-mainline/gcc/crtstuff.c:411: `__EH_FRAME_BEGIN__'
undeclared (first use in this function)
/exd4/billingd/src/gcc-mainline/gcc/crtstuff.c:414: `__JCR_LIST__'
undeclared (first use in this function)