https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64111
--- Comment #14 from H.J. Lu <hjl.tools at gmail dot com> --- (In reply to H.J. Lu from comment #13) > (In reply to Thiago Macieira from comment #12) > > Created attachment 34143 [details] > > Testcase with preprocessed source and Makefiles > > > > Here you go. > > > > I've included two sets of preprocessed sources, as the libstdc++ headers are > > different in each GCC version. Another thing, GCC 4.9 may not be able to compile libstdc++ header files from GCC 5. You may need to use #include <xxx> to include libstdc++ header files if it is the case. > > However, the error happens with GCC 5 on both sets of preprocessed sources. > > The GCC 5 preprocessed output is for reference only. > > This testcase isn't very useful since it includes pre-processed GCC > intrinsic headers which are specific to a particular commit. You have > to use the GCC built from the same commit to compile it. That is why you > needed 2 sets of header files and it means 2 inputs are DIFFERENT. > Please provide a testcase which can be compiled with both GCC 4.9 > and GCC 5. You have to modify your testcase in such a way that those GCC > intrinsic headers are included with > > #include <x86intrin.h> > > instead of "g++ -E".
