Re: preprocessor/6084: cpp Segmentation Fault

['Neil Booth' <neil@daikokuya.demon.co.uk>]

The following reply was made to PR preprocessor/6084; it has been noted by GNATS.

From: 'Neil Booth' <neil@daikokuya.demon.co.uk>
To: "Gerwin, Joshua A" <joshua.a.gerwin@intel.com>
Cc: "'neil@gcc.gnu.org'" <neil@gcc.gnu.org>,
	"'gcc-bugs@gcc.gnu.org'" <gcc-bugs@gcc.gnu.org>,
	"'joshg@hf.intel.com'" <joshg@hf.intel.com>,
	"'rnesius@ichips.intel.com'" <rnesius@ichips.intel.com>,
	"Nguyen, Tuan" <tuan.nguyen@intel.com>,
	"'gcc-gnats@gcc.gnu.org'" <gcc-gnats@gcc.gnu.org>
Subject: Re: preprocessor/6084: cpp Segmentation Fault
Date: Thu, 4 Apr 2002 07:27:00 +0100

 Gerwin, Joshua A wrote:-
 
 > (gdb) run -dM -dD ../accessories/hello.c
 > Starting program:
 > /(path/to)/gcc/3.0.3-64/lib/gcc-lib/sparcv9-sun-solaris2/3.0.3/cpp0 -dM -dD
 > ../accessories/hello.c
 > 
 > Program received signal SIGSEGV, Segmentation fault.
 > 0xffffffff7f44035c in strlen () from /usr/lib/64/libc.so.1
 > (gdb) bt
 > #0  0xffffffff7f44035c in strlen () from /usr/lib/64/libc.so.1
 > #1  0xffffffff7f48d6d4 in _doprnt () from /usr/lib/64/libc.so.1
 > #2  0xffffffff7f48f180 in fprintf () from /usr/lib/64/libc.so.1
 > #3  0x100003d28 in maybe_print_line ()
 > #4  0x100003e1c in cb_define ()
 > #5  0x100004904 in do_define ()
 > #6  0x100004778 in run_directive ()
 > #7  0x100011d20 in init_builtins ()
 > #8  0x100012344 in cpp_start_read ()
 > #9  0x100003680 in do_preprocessing ()
 > #10 0x10000349c in main ()
 
 That's curious, because there is no fprintf in my version of 3.0.3
 in maybe_print_line.  Have you patched yours from stock 3.0.3?
 
 Could you do some more research - I have no clue from the above
 backtrace.  Maybe step in yourself and see what's going wrong?
 
 Neil.