Bootstrap failure on vax: Wrong insn in the fallthru edge

[Jan Hubicka]

> The following build error occured with the mainline as of Sat Sep 22 20:56:26
> EDT 2001 on vax-dec-ultrix4.3:
> 
> ./xgcc -B./ -B/usr/local/vax-dec-ultrix4.3/bin/ -isystem /usr/local/vax-dec-ultrix4.3/include -O2   -DIN_GCC    -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -isystem ./include   -g1  -DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED  -I. -I. -I../../gcc -I../../gcc/. -I../../gcc/config -I../../gcc/../include -fexceptions -c ../../gcc/unwind-dw2.c -o libgcc/./unwind-dw2.o
> In file included from ../../gcc/unwind-dw2.c:25:
> ../../gcc/unwind-pe.h: In function `size_of_encoded_value':
> ../../gcc/unwind-pe.h:77: verify_flow_info: Incorrect fallthru 2->3
> ../../gcc/unwind-pe.h:77: Wrong insn in the fallthru edge
I believe that all we need is to disable the check, as for Vaxens we want
to have the addr_diff in the way.
I will prepare the patch tomorrow (and try to fix the Timode problem too).

Honza