https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80227
--- Comment #4 from Jason Merrill <jason at gcc dot gnu.org> --- Author: jason Date: Fri Mar 23 14:39:47 2018 New Revision: 258811 URL: https://gcc.gnu.org/viewcvs?rev=258811&root=gcc&view=rev Log: PR c++/80227 - SFINAE and negative array size. * decl.c (compute_array_index_type): Convert to signed for negative check. Added: branches/gcc-7-branch/gcc/testsuite/g++.dg/cpp0x/fntmpdefarg8.C Modified: branches/gcc-7-branch/gcc/cp/ChangeLog branches/gcc-7-branch/gcc/cp/decl.c branches/gcc-7-branch/gcc/testsuite/g++.dg/init/new44.C