https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63622
--- Comment #14 from howarth at bromo dot med.uc.edu --- The attached preprocessed source was produced from gcc trunk with... # /sw/src/fink.build/gcc50-5.0.0-1000/darwin_objdir/./gcc/xgcc -shared-libgcc -B/sw/src/fink.build/gcc50-5.0.0-1000/darwin_objdir/./gcc -nostdinc++ -L/sw/src/fink.build/gcc50-5.0.0-1000/darwin_objdir/x86_64-apple-darwin14.0.0/libstdc++-v3/src -L/sw/src/fink.build/gcc50-5.0.0-1000/darwin_objdir/x86_64-apple-darwin14.0.0/libstdc++-v3/src/.libs -L/sw/src/fink.build/gcc50-5.0.0-1000/darwin_objdir/x86_64-apple-darwin14.0.0/libstdc++-v3/libsupc++/.libs -B/sw/lib/gcc5.0/x86_64-apple-darwin14.0.0/bin/ -B/sw/lib/gcc5.0/x86_64-apple-darwin14.0.0/lib/ -isystem /sw/lib/gcc5.0/x86_64-apple-darwin14.0.0/include -isystem /sw/lib/gcc5.0/x86_64-apple-darwin14.0.0/sys-include -I/sw/src/fink.build/gcc50-5.0.0-1000/gcc-5.0-20141105/libstdc++-v3/../libgcc -I/sw/src/fink.build/gcc50-5.0.0-1000/darwin_objdir/x86_64-apple-darwin14.0.0/libstdc++-v3/include/x86_64-apple-darwin14.0.0 -I/sw/src/fink.build/gcc50-5.0.0-1000/darwin_objdir/x86_64-apple-darwin14.0.0/libstdc++-v3/include -I/sw/src/fink.build/gcc50-5.0.0-1000/gcc-5.0-20141105/libstdc++-v3/libsupc++ -I/sw/include -std=gnu++11 -D_GLIBCXX_SHARED -fno-implicit-templates -Wall -Wextra -Wwrite-strings -Wcast-qual -Wabi -fdiagnostics-show-location=once -fvisibility-inlines-hidden -ffunction-sections -fdata-sections -frandom-seed=streambuf-inst.lo -g -O2 -c ../../../../../gcc-5.0-20141105/libstdc++-v3/src/c++11/streambuf-inst.cc -fno-common -DPIC -D_GLIBCXX_SHARED -o streambuf-inst.o --save-temps which produces as set of warnings that don't appear in the build of libstdc++-v3/src/c++98/streambuf-inst.cc. These are... ./../../../../gcc-5.0-20141105/libstdc++-v3/src/c++11/streambuf-inst.cc:63:1: warning: alias definitions not supported in Mach-O; ignored } // namespace ^ ../../../../../gcc-5.0-20141105/libstdc++-v3/src/c++11/streambuf-inst.cc:63:1: warning: alias definitions not supported in Mach-O; ignored ../../../../../gcc-5.0-20141105/libstdc++-v3/src/c++11/streambuf-inst.cc:63:1: warning: alias definitions not supported in Mach-O; ignored ../../../../../gcc-5.0-20141105/libstdc++-v3/src/c++11/streambuf-inst.cc:63:1: warning: alias definitions not supported in Mach-O; ignored ../../../../../gcc-5.0-20141105/libstdc++-v3/src/c++11/streambuf-inst.cc:63:1: warning: alias definitions not supported in Mach-O; ignored ../../../../../gcc-5.0-20141105/libstdc++-v3/src/c++11/streambuf-inst.cc:63:1: warning: alias definitions not supported in Mach-O; ignored ../../../../../gcc-5.0-20141105/libstdc++-v3/src/c++11/streambuf-inst.cc:63:1: warning: alias definitions not supported in Mach-O; ignored ../../../../../gcc-5.0-20141105/libstdc++-v3/src/c++11/streambuf-inst.cc:63:1: warning: alias definitions not supported in Mach-O; ignored ../../../../../gcc-5.0-20141105/libstdc++-v3/src/c++11/streambuf-inst.cc:63:1: warning: alias definitions not supported in Mach-O; ignored ../../../../../gcc-5.0-20141105/libstdc++-v3/src/c++11/streambuf-inst.cc:63:1: warning: alias definitions not supported in Mach-O; ignored
