https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87963
--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> --- Author: redi Date: Mon Nov 12 15:25:40 2018 New Revision: 266032 URL: https://gcc.gnu.org/viewcvs?rev=266032&root=gcc&view=rev Log: PR libstdc++/87963 fix build for 64-bit mingw PR libstdc++/87963 * src/c++17/memory_resource.cc (chunk::_M_bytes): Change type from unsigned to uint32_t. (chunk): Fix static assertion for 64-bit targets that aren't LP64. (bigblock::all_ones): Fix undefined shift. Modified: trunk/libstdc++-v3/ChangeLog trunk/libstdc++-v3/src/c++17/memory_resource.cc