[Bug target/59379] gomp_init_num_threads is compiled into an infinite loop with --with-arch=corei7 --with-cpu=slm

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59379

--- Comment #2 from H.J. Lu <hjl.tools at gmail dot com> ---
Symptom is msgfmt never stops:

30751 pts/0    t     43:26 msgfmt -o de.mo
/export/gnu/import/git/gcc/libstdc++-
30752 pts/0    R     64:42 msgfmt -o fr.mo
/export/gnu/import/git/gcc/libstdc++-

(gdb) info shared
>From                To                  Syms Read   Shared Object Library
0x0000003039808780  0x0000003039832a98  Yes (*)    
/lib64/libgettextsrc-0.18.2.so
0x000000303941aad0  0x000000303948179c  Yes (*)    
/lib64/libgettextlib-0.18.2.so
0x000000303e408d10  0x000000303e426ea8  Yes (*)     /lib64/libcroco-0.6.so.3
0x000000303901a260  0x00000030390af89c  Yes (*)     /lib64/libglib-2.0.so.0
0x0000003cf6606d50  0x0000003cf6620164  Yes (*)     /lib64/libncurses.so.5
0x0000003cf4a0ce40  0x0000003cf4a188d8  Yes (*)     /lib64/libtinfo.so.5
0x0000003cf4610160  0x0000003cf4643ad0  Yes (*)     /lib64/libunistring.so.0
0x0000003cdda1f410  0x0000003cddb6269f  Yes (*)     /lib64/libc.so.6
0x00007f570fecc380  0x00007f570fed9467  Yes        
/export/build/gnu/gcc-lto-fdo/build-x86_64-linux/x86_64-unknown-linux-gnu/libgomp/.libs/libgomp.so.1
0x0000003cdde05790  0x0000003cdde103b1  Yes (*)     /lib64/libpthread.so.0
0x0000003ce2a2e870  0x0000003ce2b15060  Yes (*)     /lib64/libxml2.so.2
0x0000003cde200ed0  0x0000003cde2019ce  Yes (*)     /lib64/libdl.so.2
0x0000003cdd600ae0  0x0000003cdd61ac5a  Yes (*)     /lib64/ld-linux-x86-64.so.2
0x0000003cdea02170  0x0000003cdea0e5f0  Yes (*)     /lib64/libz.so.1
0x0000003ce1602f30  0x0000003ce16187a0  Yes (*)     /lib64/liblzma.so.5
0x0000003cde6054b0  0x0000003cde66fbb6  Yes (*)     /lib64/libm.so.6
(*): Shared library is missing debugging information.
(gdb)