First, due to a typo in Makefile.am it was compiled with the wrong flags.
Secondly, the testcase gives an incorrect backtrace on x86 (missing the
line where the error occurs). Updated the generic exp to contain the
correct result and added exp-kfail for platforms where this test fails.
git-svn-id: svn://svn.valgrind.org/valgrind/trunk@12094
