https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90782
--- Comment #9 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The trunk branch has been updated by Andrew Pinski <pins...@gcc.gnu.org>: https://gcc.gnu.org/g:d4b710a31dc854970ab501f2d3bad7d69fe7f083 commit r12-6198-gd4b710a31dc854970ab501f2d3bad7d69fe7f083 Author: Andrew Pinski <apin...@marvell.com> Date: Tue Jan 4 02:53:47 2022 +0000 [COMMITTED] c++: [PR90782] Add testcase This testcase was fixed by r12-1744-g3eecc1 as it make sense it fixed a few other class deduction issues. So I thought I would add a testcase for this PR and close it as fixed. Committed after a quick test of the testcase. PR c++/90782 gcc/testsuite/ChangeLog: * g++.dg/cpp1z/class-deduction100.C: New test.