https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69116
--- Comment #10 from Jonathan Wakely <redi at gcc dot gnu.org> --- Author: redi Date: Wed Feb 10 11:25:33 2016 New Revision: 233265 URL: https://gcc.gnu.org/viewcvs?rev=233265&root=gcc&view=rev Log: Constrain std::valarray functions and operators PR libstdc++/69116 * include/bits/valarray_before.h (__fun, __fun_with_valarray): Only define result_type for types which can be safely used with valarrays. * testsuite/26_numerics/valarray/69116.cc: New. Added: branches/gcc-4_9-branch/libstdc++-v3/testsuite/26_numerics/valarray/69116.cc Modified: branches/gcc-4_9-branch/libstdc++-v3/ChangeLog branches/gcc-4_9-branch/libstdc++-v3/include/bits/valarray_before.h