Re: [lno] Fix memory leak in ivopts

[Devang Patel <dpatel at apple dot com>]

On Jan 30, 2004, at 6:21 AM, Zdenek Dvorak wrote:

> Hello,
>
> this patch fixes the memory leak in iv optimization and speeds it up so
> that it behaves more reasonably (as much as 15% of compiler time can be
> thought reasonable.  Working on that); at least it should not prevent
> testing of other parts of the loop optimizer as it happened with loop
> versioning.

This patch causes this bootstrap failure (without loop versioning) on
powerpc-darwin

stage1/xgcc -Bstage1/ -B/local_fsfgcc//powerpc-apple-darwin7.2.0/bin/ 
-c   -ftree\
-loop-optimize -O2 -DIN_GCC   -W -Wall -Wwrite-strings 
-Wstrict-prototypes -Wmiss\
ing-prototypes -pedantic -Wno-long-long -Wold-style-definition -Werror 
-fno-commo\
n   -DHAVE_CONFIG_H    -I. -I. -I/Volumes/src/fsf.gcc.lno/gcc 
-I/Volumes/src/fsf.\
gcc.lno/gcc/. -I/Volumes/src/fsf.gcc.lno/gcc/../include -I../intl 
-I/Volumes/src/\
fsf.gcc.lno/gcc/../libbanshee/libcompat 
-I/Volumes/src/fsf.gcc.lno/gcc/../libbans\
hee -I/Volumes/src/fsf.gcc.lno/gcc/../libbanshee/points-to  
/Volumes/src/fsf.gcc.\
lno/gcc/real.c -o real.o
/Volumes/src/fsf.gcc.lno/gcc/real.c: In function `rtd_divmod':
/Volumes/src/fsf.gcc.lno/gcc/real.c:1384: internal compiler error: Bus 
error
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.
make[2]: *** [real.o] Error 1
make[1]: *** [stage2_build] Error 2
make: *** [bootstrap] Error 2

-
Devang