Old K+R compatibility goo in c-decl.c::duplicate_decls - preserve?

Mark Mitchell mark@codesourcery.com
Mon Dec 15 20:26:00 GMT 2003


On Sun, 2003-12-14 at 00:10, Zack Weinberg wrote:
> While working on a bunch of outstanding c-decl.c issues I came across
> these special cases in duplicate_decls:
> 
>   /* Permit char *foo () to match void *foo (...) if not pedantic,
>      if one of them came from a system header file.  */
> 
>   /* Permit void foo (...) to match int foo (...) if the latter is the
>      definition and implicit int was used.  See
>      c-torture/compile/920625-2.c.  */
> 
>   /* Permit char *foo (int, ...); followed by char *foo ();
>      if not pedantic.  */
> 
> 
> All of these relax C90's requirements for the sake of pre-standard
> code.  We've removed most of the support for pre-standard code; I
> would like to know whether people think these special cases can be
> removed too.  This would be a small but nontrivial simplification to
> duplicate_decls.

FWIW, I'd be happy to see these go.

-- 
Mark Mitchell <mark@codesourcery.com>
CodeSourcery, LLC



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