[Bug tree-optimization/22212] [4.1 Regression] SEGV in is_gimple_variable during loop-ivopts while building Ada RTS

["laurent at guerby dot net" <gcc-bugzilla at gcc dot gnu dot org>]

------- Additional Comments From laurent at guerby dot net  2005-06-30 21:04 -------
For the record, after twenty hours of compilation on an Athlon 64 3000+
(x86_64-linux), a build with --enable-checking=all,gcac,fold,rtl detects
something wrong in fold. I'm attaching the .i.

LAST_UPDATED Wed Jun 29 19:44:45 UTC 2005
stage1/xgcc -Bstage1/
-B/home/guerby/work/gcc/install/install-20050629T214650/x86_64-unknown-linux-gnu/bin/
-c   -g -O2 -DIN_GCC   -W -Wall -Wwrite-strings -Wstrict-prototypes
-Wmissing-prototypes    -Werror -fno-common   -DHAVE_CONFIG_H    -I. -Iada
-I/home/guerby/work/gcc/version-head/gcc
-I/home/guerby/work/gcc/version-head/gcc/ada
-I/home/guerby/work/gcc/version-head/gcc/../include
-I/home/guerby/work/gcc/version-head/gcc/../libcpp/include 
/home/guerby/work/gcc/version-head/gcc/ada/adaint.c -o ada/adaint.o
/home/guerby/work/gcc/version-head/gcc/ada/adaint.c: In function
'__gnat_locate_exec':
/home/guerby/work/gcc/version-head/gcc/ada/adaint.c:2031: internal compiler
error: fold check: original tree changed by fold
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.
make[2]: *** [ada/adaint.o] Error 1
make[2]: Leaving directory `/home/guerby/work/gcc/build/build-20050629T214650/gcc'
make[1]: *** [stage2_build] Error 2
make[1]: Leaving directory `/home/guerby/work/gcc/build/build-20050629T214650/gcc'
make: *** [bootstrap] Error 2


-- 
           What    |Removed                     |Added
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                 CC|                            |kenner at vlsi1 dot ultra
                   |                            |dot nyu dot edu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22212