[myhdl-list] shadowing error

[George P. <ge...@ga...>]

Hi Jan,

I had a module Foo, where I accidentally re-created the signal in_a even 
though it was already there as an input. As a result, it used the 
"local" in_a which was fixed to 0, and this resulted in incorrect 
simulation results. I spent a lot of time debugging before I found my 
stupid mistake. It would be nice if myHDL gave an error in this situation.

     def Foo(clk, in_a):
         in_a = Signal(bool(0)) # should not be here!

         INST_0 = Bar(clk, in_a, ... )   

          return INST_0


Thanks,
George