https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118619
Marek Polacek <mpolacek at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |mpolacek at gcc dot gnu.org Ever confirmed|0 |1 Last reconfirmed| |2025-01-23 Status|UNCONFIRMED |NEW --- Comment #1 from Marek Polacek <mpolacek at gcc dot gnu.org> --- clang++ accepts this. Started with r14-7075: commit fbc980d85149409ce62c22f48d3693113803929e Author: waffl3x <waff...@protonmail.com> Date: Sun Jan 7 00:01:48 2024 +0000 c++: P0847R7 (deducing this) - initial functionality. [PR102609] before: 118619.C:2:17: error: expected identifier before ‘this’ 2 | concept A = ([](this auto){}, true); | ^~~~ 118619.C:2:17: error: expected ‘,’ or ‘...’ before ‘this’