VERILOG2070: Lifetime specifiers should not be used on method prototype declarations

Summary

Reliability	Security	Maintainability	Code attribute	Effort to fix	Tags

LOW	-	-	Intentionality \| Logical	10min	synthesis, portability, vscode, simulation, linter

Lifetime specifiers are not allowed on method prototype declarations.

Even if some tools allow it, refrain from using this syntax to keep your code portable.

class Fly;
  extern function automatic void dream;
endclass

function automatic void Fly::dream;
endfunction

class Fly;
  extern function void dream;
endclass

function automatic void Fly::dream;
endfunction

No parameters.