preprocessor/6084: cpp Segmentation Fault

['Neil Booth']

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>, gcc-gnats@gcc.gnu.org,
	gcc-bugs@gcc.gnu.org
Cc:  
Subject: Re: preprocessor/6084: cpp Segmentation Fault
Date: Mon, 15 Apr 2002 19:56:55 +0100

 Gerwin, Joshua A wrote:-
 
 > I would if I could, but the debugger often reports back that it can't get at
 > the variables in question.
 > 
 > (gdb) info mem
 > Num Enb Low Addr           High Addr          Attrs 
 > 2   y   0x000000010000349c 0x0000000100012344 rw nocache 
 > 1   y   0x000000000011b018 0x0000000000120000 rw nocache 
 > (gdb) break maybe_print_line
 > Cannot access memory at address 0x3c28
 > 
 > for instance.  This prohibition is applied to display, print, and trace as
 > well.  I've had some success in getting DDD to sneak in there, and I'll see
 > if I can convince it can put a display on the print structure. 
 
 Does it occur if you compile cpp0 without optimization?
 
 Neil.