+; if the argument is invalid. "Var(name,set)" creates an integer
+; variable "name". The variable is declared and initialized to value
+; given by "Init(value)" (or zero if this property is not defined).
+; When the option is passed to compiler, this variable is set to "set"
+; if value passed through the flag is nonzero, !"set" if value is zero,
+; or to value if "set" is omitted. If "VarExists" is specified, the
+; declaration for the variable is not created. If "Report" is specified,
+; the flag is output with -fverbose-asm.