optimization/9258: ICE in 3.2 / 3.3 - regression from 3.0 (HEAD works)

[176117 at bugs dot debian dot org]

>Number:         9258
>Category:       optimization
>Synopsis:       ICE in 3.2 / 3.3 - regression from 3.0 (HEAD works)
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          ice-on-legal-code
>Submitter-Id:   net
>Arrival-Date:   Fri Jan 10 02:56:01 PST 2003
>Closed-Date:
>Last-Modified:
>Originator:     176117@bugs.debian.org
>Release:        3.2 branch / 3.3 branch
>Organization:
>Environment:
i386-linux
>Description:
http://gcc.gnu.org/ml/gcc-bugs/2003-01/msg00633.html

The original source code file muller.F (which triggers an internal
compiler error), preprocessed file muller.f, and assembly file muller.s
are attached to this email.  The compiler error occurs only on 
optimization of -O2 or higher.

Output of gcc -v:
Reading specs from /usr/lib/gcc-lib/i386-linux/3.2.2/specs
Configured with: ../src/configure -v 
 --enable-languages=c,c++,java,f77,proto,pascal,objc,ada --prefix=/usr 
 --mandir=/usr/share/man --infodir=/usr/share/info 
 --with-gxx-include-dir=/usr/include/c++/3.2 --enable-shared 
 --with-system-zlib --enable-nls --without-included-gettext 
 --enable-__cxa_atexit --enable-clocale=gnu --enable-java-gc=boehm 
 --enable-objc-gc i386-linux
Thread model: posix
gcc version 3.2.2 20021231 (Debian prerelease)

Command line triggering the bug:
g77 -Wall -c -O2 -g -fno-automatic -fno-second-underscore -fugly-complex    
-I/home/kmccarty/Downloads/programs/src/cernlib-2002.04.26/2002/build/packlib/kernlib/kernnum 
-I/home/kmccarty/src/cernlib-2002.04.26/2002/src/packlib/kernlib/kernnum 
-I/home/kmccarty/src/cernlib-2002.04.26/2002/src/packlib/kernlib/kernnum/c204fort 
-I/home/kmccarty/src/cernlib-2002.04.26/2002/src/include  -DCERNLIB_LINUX 
-DCERNLIB_UNIX -DCERNLIB_LNX -DCERNLIB_QMGLIBC   -o archive/muller.o 
/home/kmccarty/src/cernlib-2002.04.26/2002/src/packlib/kernlib/kernnum/c204fort/muller.F

Compiler output:
/home/kmccarty/src/cernlib-2002.04.26/2002/src/packlib/kernlib/kernnum/c204fort/muller.F: 
In subroutine `muller':
/home/kmccarty/src/cernlib-2002.04.26/2002/src/packlib/kernlib/kernnum/c204fort/muller.F:194: 
Internal compiler error in compensate_edge, at reg-stack.c:2591
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://www.gnu.org/software/gcc/bugs.html> for instructions.


>How-To-Repeat:

>Fix:

>Release-Note:
>Audit-Trail:
>Unformatted:
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