https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81470
--- Comment #6 from Rainer Emrich <rai...@emrich-ebersheim.de> --- (In reply to Eric Botcazou from comment #5) > r247301 is the switch to native exceptions for the compiler proper and we > know that this works on 64-bit Windows. How do you configure the compiler? ../../../../../../opt/devel/gnu/src/gcc-mingw-w64/gcc-8.0.0/configure --prefix=/opt/devel/gnu/gcc/MINGW_NT/x86_64-w64-mingw32/mingw-w64-runtime-trunk-svn/gcc-8.0.0 --with-gnu-as --with-as=/opt/devel/gnu/gcc/MINGW_NT/x86_64-w64-mingw32/mingw-w64-runtime-trunk-svn/gcc-8.0.0/bin/as --with-gnu-ld --with-ld=/opt/devel/gnu/gcc/MINGW_NT/x86_64-w64-mingw32/mingw-w64-runtime-trunk-svn/gcc-8.0.0/bin/ld --build=x86_64-w64-mingw32 --enable-threads=posix --enable-languages=c,c++,ada,lto --with-gmp-include=/opt/devel/SCRATCH/tmp.8Ly5oNHx4u/install/include --with-gmp-lib=/opt/devel/SCRATCH/tmp.8Ly5oNHx4u/install/lib64 --with-mpfr-include=/opt/devel/SCRATCH/tmp.8Ly5oNHx4u/install/include --with-mpfr-lib=/opt/devel/SCRATCH/tmp.8Ly5oNHx4u/install/lib64 --with-mpc-include=/opt/devel/SCRATCH/tmp.8Ly5oNHx4u/install/include --with-mpc-lib=/opt/devel/SCRATCH/tmp.8Ly5oNHx4u/install/lib64 --with-isl-include=/opt/devel/SCRATCH/tmp.8Ly5oNHx4u/install/include --with-isl-lib=/opt/devel/SCRATCH/tmp.8Ly5oNHx4u/install/lib64 --with-local-prefix=/opt/devel/tec/devel/MINGW_NT/x86_64-w64-mingw32/mingw-w64-runtime-trunk-svn/gcc-8.0.0 --enable-libgomp --enable-fully-dynamic-string --disable-multilib --enable-checking=release --disable-werror --with-sysroot=/x86_64-w64-trunk