%Warning-GENUNNAMED: t/t_lint_genunnamed_bad.v:14:6: Unnamed generate block 'genblk2' (IEEE 1800-2017 27.6) : ... Suggest assign a label with 'begin : gen_' 14 | begin | ^~~~~ ... For warning description see https://verilator.org/warn/GENUNNAMED?v=latest ... Use "/* verilator lint_off GENUNNAMED */" and lint_on around source to disable this message. %Warning-GENUNNAMED: t/t_lint_genunnamed_bad.v:18:6: Unnamed generate block 'genblk2' (IEEE 1800-2017 27.6) : ... Suggest assign a label with 'begin : gen_' 18 | begin | ^~~~~ %Warning-GENUNNAMED: t/t_lint_genunnamed_bad.v:22:4: Unnamed generate block 'genblk3' (IEEE 1800-2017 27.6) : ... Suggest assign a label with 'begin : gen_' 22 | for (genvar v = 0; v < P; ++v) ; | ^~~ %Warning-GENUNNAMED: t/t_lint_genunnamed_bad.v:24:4: Unnamed generate block 'genblk4' (IEEE 1800-2017 27.6) : ... Suggest assign a label with 'begin : gen_' 24 | for (genvar v = 0; v < P; ++v) | ^~~ %Warning-GENUNNAMED: t/t_lint_genunnamed_bad.v:30:9: Unnamed generate block 'genblk5' (IEEE 1800-2017 27.6) : ... Suggest assign a label with 'begin : gen_' 30 | 1: initial begin end | ^~~~~~~ %Warning-GENUNNAMED: t/t_lint_genunnamed_bad.v:31:9: Unnamed generate block 'genblk5' (IEEE 1800-2017 27.6) : ... Suggest assign a label with 'begin : gen_' 31 | 2: begin | ^~~~~ %Error: Exiting due to