[Bug tree-optimization/44897] -flto + ipa-sra misoptimize sqlite (non-plugin only)

["markus at trippelsdorf dot de" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44897

--- Comment #13 from Markus Trippelsdorf <markus at trippelsdorf dot de> 2011-03-10 18:39:21 UTC ---
Here's what I got:
(gdb) set follow-fork-mode child
(gdb) run -plugin /usr/libexec/gcc/x86_64-pc-linux-gnu/4.6.0/liblto_plugin.so
-plugin-opt=/usr/libexec/gcc/x86_64-pc-linux-gnu/4.6.0/lto-wrapper
-plugin-opt=-fresolution=/tmp/ccZJwWXj.res -plugin-opt=-pass-through=-lgcc
-plugin-opt=-pass-through=-lgcc_s -plugin-opt=-pass-through=-lpthread
-plugin-opt=-pass-through=-lc -plugin-opt=-pass-through=-lgcc
-plugin-opt=-pass-through=-lgcc_s -flto --eh-frame-hdr -m elf_x86_64 -shared -o
libmozsqlite3.so
/usr/lib/gcc/x86_64-pc-linux-gnu/4.6.0/../../../../lib64/crti.o
/usr/lib/gcc/x86_64-pc-linux-gnu/4.6.0/crtbeginS.o
-L/usr/lib/gcc/x86_64-pc-linux-gnu/4.6.0
-L/usr/lib/gcc/x86_64-pc-linux-gnu/4.6.0/../../../../lib64 -L/lib/../lib64
-L/usr/lib/../lib64
-L/usr/lib/gcc/x86_64-pc-linux-gnu/4.6.0/../../../../x86_64-pc-linux-gnu/lib
-L/usr/lib/gcc/x86_64-pc-linux-gnu/4.6.0/../../.. -z defs -h libmozsqlite3.so
sqlite3.o -lpthread --hash-style=gnu -rpath-link
/var/tmp/mozilla-central/moz-build-dir/dist/bin -rpath-link /usr/lib -ldl -lgcc
--as-needed -lgcc_s --no-as-needed -lpthread -lc -lgcc --as-needed -lgcc_s
--no-as-needed /usr/lib/gcc/x86_64-pc-linux-gnu/4.6.0/crtendS.o
/usr/lib/gcc/x86_64-pc-linux-gnu/4.6.0/../../../../lib64/crtn.o
Starting program: /usr/libexec/gcc/x86_64-pc-linux-gnu/4.6.0/collect2 -plugin
/usr/libexec/gcc/x86_64-pc-linux-gnu/4.6.0/liblto_plugin.so
-plugin-opt=/usr/libexec/gcc/x86_64-pc-linux-gnu/4.6.0/lto-wrapper
-plugin-opt=-fresolution=/tmp/ccZJwWXj.res -plugin-opt=-pass-through=-lgcc
-plugin-opt=-pass-through=-lgcc_s -plugin-opt=-pass-through=-lpthread
-plugin-opt=-pass-through=-lc -plugin-opt=-pass-through=-lgcc
-plugin-opt=-pass-through=-lgcc_s -flto --eh-frame-hdr -m elf_x86_64 -shared -o
libmozsqlite3.so
/usr/lib/gcc/x86_64-pc-linux-gnu/4.6.0/../../../../lib64/crti.o
/usr/lib/gcc/x86_64-pc-linux-gnu/4.6.0/crtbeginS.o
-L/usr/lib/gcc/x86_64-pc-linux-gnu/4.6.0
-L/usr/lib/gcc/x86_64-pc-linux-gnu/4.6.0/../../../../lib64 -L/lib/../lib64
-L/usr/lib/../lib64
-L/usr/lib/gcc/x86_64-pc-linux-gnu/4.6.0/../../../../x86_64-pc-linux-gnu/lib
-L/usr/lib/gcc/x86_64-pc-linux-gnu/4.6.0/../../.. -z defs -h libmozsqlite3.so
sqlite3.o -lpthread --hash-style=gnu -rpath-link
/var/tmp/mozilla-central/moz-build-dir/dist/bin -rpath-link /usr/lib -ldl -lgcc
--as-needed -lgcc_s --no-as-needed -lpthread -lc -lgcc --as-needed -lgcc_s
--no-as-needed /usr/lib/gcc/x86_64-pc-linux-gnu/4.6.0/crtendS.o
/usr/lib/gcc/x86_64-pc-linux-gnu/4.6.0/../../../../lib64/crtn.o
[New process 16093]
process 16093 is executing new program:
/usr/x86_64-pc-linux-gnu/binutils-bin/2.21.51.0.7/ld
[New process 16102]
process 16102 is executing new program:
/usr/libexec/gcc/x86_64-pc-linux-gnu/4.6.0/lto-wrapper
[New process 16103]
process 16103 is executing new program:
/usr/x86_64-pc-linux-gnu/gcc-bin/4.6.0/gcc
[New process 16104]
process 16104 is executing new program:
/usr/libexec/gcc/x86_64-pc-linux-gnu/4.6.0/lto1

Program received signal SIGFPE, Arithmetic exception.
[Switching to process 16104]
0x0000000000862ca7 in ?? ()
(gdb) bt
#0  0x0000000000862ca7 in ?? ()
#1  0x000000000066f176 in execute_one_pass(opt_pass*) ()
#2  0x000000000066fa52 in execute_ipa_pass_list(opt_pass*) ()
#3  0x00000000004f284e in lto_main() ()
#4  0x00000000006fc247 in toplev_main(int, char**) ()
#5  0x00007ffff6d28f8d in __libc_start_main () from /lib/libc.so.6
#6  0x00000000004cd9f9 in _start ()
(gdb)