[Bug preprocessor/12348] New: Internal compiler error in `rescan'

["ocsi at debian dot org" <gcc-bugzilla at gcc dot gnu dot org>]

PLEASE REPLY TO gcc-bugzilla@gcc.gnu.org ONLY, *NOT* gcc-bugs@gcc.gnu.org.

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12348

           Summary: Internal compiler error in `rescan'
           Product: gcc
           Version: 2.95.4
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: preprocessor
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: ocsi at debian dot org
                CC: gcc-bugs at gcc dot gnu dot org
 GCC build triplet: gcc version 2.95.4 20011002 (Debian prerelease)
  GCC host triplet: i386-linux
GCC target triplet: i386-linux

This short shell snippet will pop the bug (the shortest I was able to create):
cat <<EOF | gcc -v -save-temps -E -
#define M(p)(p)p
M("
}
EOF

The complete output of gcc:
Reading specs from /usr/lib/gcc-lib/i386-linux/2.95.4/specs
gcc version 2.95.4 20011002 (Debian prerelease)
 /usr/lib/gcc-lib/i386-linux/2.95.4/cpp0 -lang-c -v -D__GNUC__=2 -D__GNUC_MINOR__=95 -D__ELF__ -Dunix -D__i386__ -Dlinux -D__ELF__ -D__unix__ -D__i386__ -D__linux__ -D__unix -D__linux -Asystem(posix)
-Acpu(i386) -Amachine(i386) -Di386 -D__i386 -D__i386__ -
GNU CPP version 2.95.4 20011002 (Debian prerelease) (i386 Linux/ELF)
#include "..." search starts here:
#include <...> search starts here:
 /usr/local/include
 /usr/lib/gcc-lib/i386-linux/2.95.4/include
 /usr/include
End of search list.
The following default directories have been omitted from the search path:
 /usr/lib/gcc-lib/i386-linux/2.95.4/../../../../include/g++-3
 /usr/lib/gcc-lib/i386-linux/2.95.4/../../../../i386-linux/include
End of omitted list.
:2: unterminated macro call
:3: unterminated string or character constant
:1: possible real start of unterminated constant
cpp0: Internal compiler error in `rescan', at /opt/src/gcc/2.95/gcc-2.95-2.95.4.ds8/src-native/gcc/cccp.c:3165
Please submit a full bug report.
See <URL:http://www.gnu.org/software/gcc/bugs.html> for instructions.