Re: c++/10060: ICE on huge file (300k lines)

[Andrew Pinski <pinskia@physics.uc.edu>]

The following reply was made to PR c++/10060; it has been noted by GNATS.

From: Andrew Pinski <pinskia@physics.uc.edu>
To: "Giovanni Bajo" <giovannibajo@libero.it>
Cc: Andrew Pinski <pinskia@physics.uc.edu>, <andreas@florath.net>,
   <gcc-gnats@gcc.gnu.org>, <gcc-bugs@gcc.gnu.org>, <nobody@gcc.gnu.org>,
   <gcc-prs@gcc.gnu.org>
Subject: Re: c++/10060: ICE on huge file (300k lines)
Date: Fri, 9 May 2003 12:31:50 -0400

 That seems like a good idea, since copy_rtx_if_shared is in emit-rtl.c.
 
 
 Thanks,
 Andrew Pinski
 
 
 On Friday, May 9, 2003, at 09:10 US/Eastern, Giovanni Bajo wrote:
 
 > Andrew Pinski <pinskia@physics.uc.edu> wrote:
 >
 >>>  00281958 ggc_alloc (55, 0, 0, 550404, 0, 0)
 >>>  00129f98 copy_rtx_if_shared (0, 17527728, 0, 33a5c8, 2, 55) + 170
 >>>  00129f10 copy_rtx_if_shared (17527710, 17527b60, 0, 1, 33a5c8, 4c) +
 >>> e8
 >>>  00129f10 copy_rtx_if_shared (0, 17527f98, 0, 0, 33a5c8, 3) + e8
 >>>  00129f10 copy_rtx_if_shared (0, 175303d8, 0, 0, 33a5c8, 3) + e8
 >>>  00129f10 copy_rtx_if_shared (0, 17530810, 0, 0, 33a5c8, 3) + e8
 >
 >> This looks like a stack overflow, a temporary fix is to up the limit 
 >> on
 >> the stacksize.
 >> The real fix is to change copy_rtx_if_shared to be non-recursive.
 >
 > I'm not confident with internals of GCC, but I guess this bug should be
 > moved to the "middle-end" section. Do you agree, Andrew?
 >
 > Giovanni Bajo
 >
 >
 >