https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94918
--- Comment #4 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The releases/gcc-10 branch has been updated by Eric Botcazou <ebotca...@gcc.gnu.org>: https://gcc.gnu.org/g:1c615f4a935b805e3c030d8261452a17efb138ac commit r10-8091-g1c615f4a935b805e3c030d8261452a17efb138ac Author: Eric Botcazou <ebotca...@gcc.gnu.org> Date: Mon May 4 23:32:39 2020 +0200 Fix Ada bootstrap on Cygwin64 This fixes two compilation errors preventing bootstrap with Ada on x86_64-pc-cygwin. 2020-05-04 Mikael Pettersson <mikpeli...@gmail.com> PR bootstrap/94918 * mingw32.h: Prevent windows.h from including emmintrin.h on Cygw64. * s-oscons-tmplt.c (Serial_Port_Descriptor): Use System.Win32.HANDLE also on Cygwin.