https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96560
--- Comment #2 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Patrick Palka <ppa...@gcc.gnu.org>: https://gcc.gnu.org/g:b0d73a66ae3962fa83309527d85613d72a6aa43d commit r12-1398-gb0d73a66ae3962fa83309527d85613d72a6aa43d Author: Patrick Palka <ppa...@redhat.com> Date: Fri Jun 11 16:00:52 2021 -0400 c++: Substitute into function parms in lexical order [PR96560] This makes tsubst_arg_types substitute into a function's parameter types in left-to-right instead of right-to-left order, in accordance with DR 1227. DR 1227 PR c++/96560 gcc/cp/ChangeLog: * pt.c (tsubst_arg_types): Rearrange so that we substitute into TYPE_ARG_TYPES in forward order while short circuiting appropriately. Adjust formatting. gcc/testsuite/ChangeLog: * g++.dg/template/sfinae-dr1227.C: New test.
