Verilator 4.214 2021-10-17 released

[wsnyder]

Verilator 4.214 2021-10-17

Major:

• Add profile-guided optmization of mtasks (Support profile guided optimization of mtasks verilator#3150).

Minor:

• Verilator_gantt has removed the ASCII graphics, use the VCD output instead.
• Verilator_gantt now shows the predicted mtask times, eval times, and additional statistics.
• Verilator_gantt data files now include processor information, to allow later processing.
• Support displaying x and z in $display task ($display format strings doesn't support unknown and high-impedance values verilator#3107) (Support displaying x and z in $display task (#3107) verilator#3109). [Iru Cai]
• Fix verilator_profcfunc profile accounting (Fix verilator_profcfunc dropping some statistics verilator#3115).
• Fix display has no time units on class function (Internal Error: display has no time units verilator#3116). [Damien Pretet]
• Fix removing if statement with side effect in condition (Fix empty if removes function with side effect verilator#3131). [Alexander Grobman]
• Fix --waiver-output for multiline warnings (Generated waivers for multiline are incorrect verilator#2429) (Fix --waiver-output for multiline warnings verilator#3141). [Keith Colbert]
• Fix internal error on bad widths (internal error (div 0 arithmetic error) in V3Const.cpp:1340 (v4.212-20-g27c08a65) verilator#3140) ([bug #3140] fix internal error caused by nodep->declElWidth() == 0 verilator#3145). [Zhanglei Wang]
• Fix crash on clang 12/13 (An internal error occurred when using clang 12 or 13 verilator#3148). [Kouping Hsu]
• Fix cygwin compile error due to missing -std=gnu++14 (Basic test failed after install in cygwin verilator#3149). [Sun Kim]
• Fix $urandom_range when the range is 0 ... UINT_MAX (fix $urandom_range when the range is 0 ... UINT_MAX verilator#3161). [Iru Cai]
• Fix constructor-parameter argument comma-separation in C++ (Ensure that constructor-parameter arguments are comma-separated in generated C++ verilator#3162). [Matthew Ballance]
• Fix missing install of vl_file_copy/vl_hier_graph (vl_file_copy and vl_hier_graph files are missing from examples/xml_py verilator#3165). [Popolon]
• Fix calling new with arguments in same class ('No dtype on node with hasDType()' internal error verilator#3166). [Matthew Ballance]
• Fix false EOFNEWLINE warning when DOS carriage returns present (Fix EOFNEWLINE on files with DOS line endings verilator#3171).