Verilator 4.222 2022-05-02 released

[wsnyder]

Verilator 4.222 2022-05-02

Minor:

• Split --prof-threads into --prof-exec and --prof-pgo (verilator/verilator#3365). [Geza Lore, Shunyao CAD]
• Deprecate 'vluint64_t' and similar types (verilator/verilator#3255).
• Raise error on assignment to const in initial blocks. [Geza Lore, Shunyao CAD]
• Issue INITIALDLY/COMBDLY/BLKSEQ warnings consistent with Verilator execution. [Geza Lore, Shunyao CAD]
• Support LoongArch ISA multithreading (verilator/verilator#3353) (verilator/verilator#3354). [Xi Zhang]
• Fix MSVC localtime_s (verilator/verilator#3124).
• Fix Bison 3.8.2 error (verilator/verilator#3366). [elike-ypq]
• Fix rare bug in -Oz (V3Localize) (verilator/verilator#3286). [Geza Lore, Shunyao CAD]
• Fix tracing interfaces inside interfaces (verilator/verilator#3309). [Kevin Millis]
• Fix filenames with dots overwriting debug .vpp files (verilator/verilator#3373).
• Fix including VK_USER_OBJS in make library (verilator/verilator#3370) (verilator/verilator#3382). [Julien Margetts]
• Fix hang in generate symbol references (verilator/verilator#3391) (verilator/verilator#3398). [Yoda Lee]
• Fix missing verilator/verilator#include (verilator/verilator#3392). [Aliaksei Chapyzhenka]
• Fix crash in recursive module inlining (verilator/verilator#3393). [david-sawatzke]
• Fix --protect-ids mangling names of library methods. [Geza Lore, Shunyao CAD]
• Fix foreach segmentation fault (verilator/verilator#3400). [Kamil Rakoczy]