[Bug target/60181] constant folding of complex number incorrect

[krebbel at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60181

--- Comment #3 from Andreas Krebbel <krebbel at gcc dot gnu.org> ---
I'll keep the bugreport open with low prio.  If I find the time I will at least
try to understand what's going on before closing it.

The testcase is extracted from gcc/testsuite/go.test/test/ken/cplx2.go which
fails due to this problem currently on s390.