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[Bug c/84915] New: documentation: __FUNCTION__ is said by gcc-6 info to be a preprocessor macro


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84915

            Bug ID: 84915
           Summary: documentation: __FUNCTION__ is said by gcc-6 info to
                    be a preprocessor macro
           Product: gcc
           Version: 6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
          Assignee: unassigned at gcc dot gnu.org
          Reporter: galex-713@galex-713.eu
  Target Milestone: ---

(info "(gcc-6) Other Builtins") says __FUNCTION__ is a preprocessor macro,
however, cpp info says it’s not. Am I missing something? do most cpp
implementation parse C code and implement it as a macro so gcc claims it is
while itself interprets it as not being one?

Look by yourselves:

 -- Built-in Function: const char * __builtin_FUNCTION ()
     This function is the equivalent to the preprocessor '__FUNCTION__'
     macro and returns the function name the invocation of the built-in
     is in.

It is not a bug of gcc but rather of its documentation, I don’t know if here is
the right place to ask…

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