https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69884
--- Comment #1 from Markus Trippelsdorf <trippels at gcc dot gnu.org> --- Created attachment 37744 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37744&action=edit unreduced testcase markus@x4 build % g++ -O2 -c sparse_product.ii 2>&1 | grep "ignoring attributes on template argument" | wc -l 29 markus@x4 build % /usr/x86_64-pc-linux-gnu/gcc-bin/5.3.1/g++ -O2 -c sparse_product.ii markus@x4 build %
