Verilator 4.220 2022-03-12 released

[wsnyder]

Verilator 4.220 2022-03-12

Minor:

• Removed the deprecated lint_off flag -msg; use -rule instead.
• Removed the deprecated "fl" attribute in XML output; use "loc" attribute instead.
• Suppress WIDTH warning on negate using carry bit (verilator/verilator#3295). [Peter Monsson]
• Add trace dumpvars() call for selective runtime tracing (verilator/verilator#3322). [Shunyao CAD]
• Add VERILATOR_VERSION_INTEGER for determining API (verilator/verilator#3343). [Larry Doolittle]
• Improve various V3Combine algorithm details (verilator/verilator#3328). [Yutetsu TAKATSUKASA]
• Improve various V3Order algorithm details. [Geza Lore]
• Fix macOS arm64 build (verilator/verilator#3285) (verilator/verilator#3291). [Guokai Chen]
• Fix signed number operation (verilator/verilator#3294) (verilator/verilator#3308). [Raynard Qiao]
• Fix FST traces to include vector range (verilator/verilator#3296) (verilator/verilator#3297). [Jamie Iles]
• Fix skipping public enum values with four-state values (verilator/verilator#3303).
• Fix $readmem file not found to be warning not error (verilator/verilator#3310). [Alexander Grobman]
• Fix class stringification on wide arrays (verilator/verilator#3312). [Iru Cai]
• Fix $fscanf etc to return -1 on EOF (verilator/verilator#3313). [Jose Tejada]
• Fix public function arguments that are arrayed (verilator/verilator#3316). [pawel256]
• Fix unnamedblk error on foreach (verilator/verilator#3321). [Aliaksei Chapyzhenka]
• Fix crash in recursive module inlining (verilator/verilator#3324). [Larry Doolittle]
• Fix VL_RESTORER behavior on passing a lvalue reference (verilator/verilator#3326). [HungMingWu]
• Fix compile error with --trace-fst --sc (verilator/verilator#3332). [leavinel]
• Fix cast to array types (verilator/verilator#3333). [Todd Strader]
• Fix Vdeeptemp error with --threads and --compiler clang (verilator/verilator#3338). [Per Karlsson]