Internals: Split V3OutFile into separate formatter
Clock domain crossing checks
Cdc commentary
Make duplicate modules a MODDUP error that can be disabled
--bbox-unsup now ignores cmos and tran gate primitives
Ignore gate delays in UDP cells
Avoid tail recursion, as with -O0 compiler doesn't do it and stack overflows
V3Name: Fix O(n^2) recursion with deep modules
Speed up CDC reset on large netlists; userClearVertices too slow
--cdc: Show duplicated varscopes
Fix segfault with -Wno-MODDUP
--cdc: Code rearrangement
--cdc: Report in more typical source to dest order
Internals: Move CASEX warning with other case lints; add test
Fix lint_off/lint_on pairs on same line as warning
Internals: Avoid some extra CRELINES
Tests: Move old-style test_v's t_arith, etc to test_regress area
Fix duplicate implicit variables under generates, bug201
CDC: 'posedge a or posedge b or edge a' should optimize to 'edge a or posedge b'
/sformat should accept rvalue expressions