https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68195
--- Comment #10 from Matthias Goldhoorn <matthias at goldhoorn dot eu> --- Tested gcc6 (daily bump 20151124 (638a694865e4ad7d35397526251f1401e01afb54) from git, branch master) same problem the binary for testcase1 segfaults, the other ones running fine.