Description of problem:
when compiling C++ code with the '%zd' format specifier, the compiler crashes.

$ cat test.cc
#include <stdio.h>

int main(void) {
	printf("output is %zd", 123);
}

$ gcc test.cc -o test -Wall
test.cc: In function `int main ()':
test.cc:4: Internal error: Segmentation fault.
Please submit a full bug report.
See <URL:http://bugzilla.redhat.com/bugzilla/> for instructions.

Version-Release number of selected component (if applicable):

gcc-2.96-113
gcc-c++-2.96-113

How reproducible:

Every time.

Steps to Reproduce:
1. create small test program (above)
2. compile as above
    
Actual results:
compiler crash

Expected results:
successful compilation