[Bug middle-end/15937] [3.3 only] miscompiles gengtype of HEAD as bootstrap compiler

Thu Jun 17 08:04:00 GMT 2004

------- Additional Comments From rguenth at tat dot physik dot uni-tuebingen dot de  2004-06-17 08:04 -------
Subject: Re:  [3.3 only] miscompiles gengtype of HEAD
 as bootstrap compiler

On Thu, 17 Jun 2004, wilson at gcc dot gnu dot org wrote:

> I am not able to reproduce this problem.

It's still the same today.  Head of mainline ChangeLog shows

2004-06-17  Ben Elliston  <bje@au.ibm.com>

	* tree-alias-common.c: Add whitespace.
	* tree-inline.c: Correct comment about this file's purpose.
	* tree-optimize.c: Likewise.
	* tree-tailcall.c: Likewise.

bootstrapping on Debian ia64 unstable,
ii  bison                     1.875a-1.1
ii  flex                      2.5.31-24
ii  gcc                       3.3.4-1
ii  binutils                  2.14.90.0.7-8

configured with
--enable-threads=posix --enable-__cxa_atexit
--disable-libunwind-exceptions --disable-mudflap --disable-checking
--disable-libmudflap --enable-languages=c,c++

> I suspect that this may be a bison/flex versioning problem rather than a gcc
> optimizer bug.

Maybe it's a bug in the debian gcc version.  I'll open one there, too.

-- 

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15937