[Bug bootstrap/41031] [4.5 Regression] ICE in insert_value_copy_on_edge preventing bootstrap on sparc64 and s390x, testcase on cris-elf

[laurent at guerby dot net]

------- Comment #5 from laurent at guerby dot net  2009-08-12 09:09 -------
Same happens on sparc64 in 64 bits bootstrap in all-stage2-libiberty:

/home/guerby/build/./prev-gcc/xgcc -B/home/guerby/build/./prev-gcc/
-B/n/62/guerby/install-trunk-64/sparc64-unknown-linux-gnu/bin/
-B/n/62/guerby/install-trunk-64/sparc64-unknown-linux-gnu/bin/ -B/n/62/guer\
by/install-trunk-64/sparc64-unknown-linux-gnu/lib/ -isystem
/n/62/guerby/install-trunk-64/sparc64-unknown-linux-gnu/include -isystem
/n/62/guerby/install-trunk-64/sparc64-unknown-linux-gnu/sys-include    -c\
 -DHAVE_CONFIG_H -g -O2  -I. -I../../trunk/libiberty/../include  -W -Wall
-Wwrite-strings -Wc++-compat -Wstrict-prototypes -pedantic 
../../trunk/libiberty/regex.c -o regex.o
In file included from ../../trunk/libiberty/regex.c:638:0:
../../trunk/libiberty/regex.c: In function 'byte_re_match_2_internal':
../../trunk/libiberty/regex.c:7476:5: warning: jump skips variable
initialization
../../trunk/libiberty/regex.c:5952:12: note: label 'restore_best_regs' defined
here
../../trunk/libiberty/regex.c:5913:16: note: 'same_str_p' declared here
../../trunk/libiberty/regex.c:5543:1: internal compiler error: in
insert_value_copy_on_edge, at tree-outof-ssa.c:223

According to my logs revision range is:

150589 ok
150648 ko


-- 

laurent at guerby dot net changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|tree-optimization           |bootstrap
   GCC host triplet|x86_64-unknown-linux-gnu    |
 GCC target triplet|cris-axis-elf               |
           Priority|P3                          |P1
            Summary|[4.5 Regression]: build     |[4.5 Regression] ICE in
                   |breakage for cris-elf       |insert_value_copy_on_edge
                   |building newlib, ICE in     |preventing bootstrap on
                   |insert_value_copy_on_edge   |sparc64 and s390x, testcase
                   |                            |on cris-elf


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41031