Add --func-recursion-depth CLI option (#7175) (#7179)

src/V3Options.cpp

@@ -1590,6 +1590,7 @@ void V3Options::parseOptsList(FileLine* fl, const string& optdir, int argc,
             fl->v3error("Unknown --make system specified: '" << valp << "'");
         }
     });
+    DECL_OPTION("-func-recursion-depth", Set, &m_funcRecursion);
     DECL_OPTION("-max-num-width", Set, &m_maxNumWidth);
     DECL_OPTION("-mod-prefix", CbVal, [this, fl](const char* valp) {
         validateIdentifier(fl, valp, "--mod-prefix");