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c-decl.c (duplicate_decls): If `warn_traditional'...

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* c-decl.c (duplicate_decls): If `warn_traditional', warn when
        a non-static function declaration follows a static one.
        * invoke.texi (-Wtraditional): Document the extra check now done
        by this flag.

From-SVN: r24703
This commit is contained in:
Kaveh R. Ghazi 1999-01-16 16:43:26 +00:00 committed by Kaveh Ghazi
parent 9e3685d5f4
commit db838bb85b
3 changed files with 22 additions and 2 deletions
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8
gcc/ChangeLog
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@ -1,3 +1,11 @@
Sat Jan 16 19:31:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* c-decl.c (duplicate_decls): If `warn_traditional', warn when
a non-static function declaration follows a static one.
* invoke.texi (-Wtraditional): Document the extra check now done
by this flag.
Sat Jan 16 15:13:46 1999 Jeffrey A Law (law@cygnus.com)
* pa.md (shadd): Create shadd insns, even if the result of the shift is

10
gcc/c-decl.c
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@ -1,5 +1,5 @@
/* Process declarations and variables for C compiler.
Copyright (C) 1988, 92-97, 1998 Free Software Foundation, Inc.
Copyright (C) 1988, 92-98, 1999 Free Software Foundation, Inc.
This file is part of GNU CC.
@ -1858,6 +1858,14 @@ duplicate_decls (newdecl, olddecl, different_binding_level)
&& !TREE_PUBLIC (newdecl))
warning_with_decl (newdecl, "static declaration for `%s' follows non-static");
/* If warn_traditional, warn when a non-static function
declaration follows a static one. */
if (warn_traditional
&& TREE_CODE (olddecl) == FUNCTION_DECL
&& !TREE_PUBLIC (olddecl)
&& TREE_PUBLIC (newdecl))
warning_with_decl (newdecl, "non-static declaration for `%s' follows static");
/* Warn when const declaration follows a non-const
declaration, but not for functions. */
if (TREE_CODE (olddecl) != FUNCTION_DECL

6
gcc/invoke.texi
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@ -1,4 +1,4 @@
@c Copyright (C) 1988,89,92,93,94,95,96,97,98,1999 Free Software Foundation, Inc.
@c Copyright (C) 1988, 89, 92-98, 1999 Free Software Foundation, Inc.
@c This is part of the GCC manual.
@c For copying conditions, see the file gcc.texi.
@ -1548,6 +1548,10 @@ the block.
@item
A @code{switch} statement has an operand of type @code{long}.
@item
A non-@code{static} function declaration follows a @code{static} one.
This construct is not accepted by some traditional C compilers.
@end itemize
@item -Wundef