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 3130                Redefinition of macro
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 Description
   This warning is issued when a macro is defined with a name identifier
   already in use. After redefining a macro with a new value, the previous
   value is replaced by the new one, and token replacement occurs with
   the new value.

 Solution
   Remove macro definitions with identical macro symbols. The warning can
   be ignored if it was made sure that the macro has the correct value
   for the code after each definition.