"Internal compiler error" on gcc-2.95.2

[James Carlson]

% gcc -v
Reading specs from /usr/local/lib/gcc-lib/powerpc-ibm-aix4.1.5.0/2.95.2/specs
gcc version 2.95.2 19991024 (release)

Configured with:

	   configure --enable-shared --with-gnu-as --enable-threads

Bug is triggered by "hline.c" in xbench-0.2.  Occurs only when
"-fstrength-reduce -O" is specified.  "-i" output attached to this
message.

% gcc -v --save-temps -fstrength-reduce -O -c gccbug.c
Reading specs from /usr/local/lib/gcc-lib/powerpc-ibm-aix4.1.5.0/2.95.2/specs
gcc version 2.95.2 19991024 (release)
 /usr/local/lib/gcc-lib/powerpc-ibm-aix4.1.5.0/2.95.2/cpp -lang-c -v -D__GNUC__=2 -D__GNUC_MINOR__=95 -D_IBMR2 -D_POWER -D_AIX -D_AIX32 -D_AIX41 -D_LONG_LONG -D_IBMR2 -D_POWER -D_AIX -D_AIX32 -D_AIX41 -D_LONG_LONG -Asystem(unix) -Asystem(aix) -D__CHAR_UNSIGNED__ -D__OPTIMIZE__ -D_ARCH_COM gccbug.c gccbug.i
GNU CPP version 2.95.2 19991024 (release)
#include "..." search starts here:
#include <...> search starts here:
 /usr/local/include
 /usr/local/lib/gcc-lib/powerpc-ibm-aix4.1.5.0/2.95.2/../../../../powerpc-ibm-aix4.1.5.0/include
 /usr/local/lib/gcc-lib/powerpc-ibm-aix4.1.5.0/2.95.2/include
 /usr/include
End of search list.
The following default directories have been omitted from the search path:
 /usr/local/lib/gcc-lib/powerpc-ibm-aix4.1.5.0/2.95.2/../../../../include/g++-3
End of omitted list.
 /usr/local/lib/gcc-lib/powerpc-ibm-aix4.1.5.0/2.95.2/cc1 gccbug.i -quiet -dumpbase gccbug.c -O -version -fstrength-reduce -o gccbug.s
GNU C version 2.95.2 19991024 (release) (powerpc-ibm-aix4.1.5.0) compiled by GNU C version 2.95.2 19991024 (release).
hline.c: In function `hline_setup':
hline.c:62: Internal compiler error in `make_edges', at flow.c:967
Please submit a full bug report.
See <URL: http://www.gnu.org/software/gcc/faq.html#bugreport > for instructions.
% gcc -c gccbug.i
% gcc -fstrength-reduce -c gccbug.i
% gcc -fstrength-reduce -O -c gccbug.i
hline.c: In function `hline_setup':
hline.c:62: Internal compiler error in `make_edges', at flow.c:967
Please submit a full bug report.
See <URL: http://www.gnu.org/software/gcc/faq.html#bugreport > for instructions.

-- 
James Carlson                                  <carlson@workingcode.com>
"PPP Design and Debugging" --- http://people.ne.mediaone.net/carlson/ppp
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