https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99844
Marek Polacek <mpolacek at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Resolution|--- |FIXED Status|ASSIGNED |RESOLVED Summary|[9/10/11 Regression] ICE: |[9/10 Regression] ICE: |unexpected expression 'B' |unexpected expression 'B' |of kind template_parm_index |of kind template_parm_index --- Comment #4 from Marek Polacek <mpolacek at gcc dot gnu.org> --- Fixed in GCC 11.