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Zack Weinberg <zack@codesourcery.com

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2004-07-24  Alexander Kabaev  <kan@freebsd.org>
	    Zack Weinberg  <zack@codesourcery.com

	PR 16684
	* c-decl.c (diagnose_mismatched_decls): Don't issue a
	redundant-declaration warning the first time a builtin is
	declared explicitly.
testsuite:
	* gcc.dg/Wredundant-decls-1.c: New test case.

From-SVN: r85140
This commit is contained in:
Zack Weinberg 2004-07-25 03:58:50 +00:00
parent 9d55a9660d
commit c5e36c09e5
4 changed files with 38 additions and 13 deletions
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8
gcc/ChangeLog
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@ -1,3 +1,11 @@
2004-07-24 Alexander Kabaev <kan@freebsd.org>
Zack Weinberg <zack@codesourcery.com
PR 16684
* c-decl.c (diagnose_mismatched_decls): Don't issue a
redundant-declaration warning the first time a builtin is
declared explicitly.
2004-07-25 Bernardo Innocenti <bernie@develer.com>
* tree.h (staticp): Change return type to bool.

5
gcc/c-decl.c
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@ -1444,6 +1444,11 @@ diagnose_mismatched_decls (tree newdecl, tree olddecl,
definition. */
&& !(TREE_CODE (newdecl) == FUNCTION_DECL
&& DECL_INITIAL (newdecl) && !DECL_INITIAL (olddecl))
/* Don't warn about redundant redeclarations of builtins. */
&& !(TREE_CODE (newdecl) == FUNCTION_DECL
&& !DECL_BUILT_IN (newdecl)
&& DECL_BUILT_IN (olddecl)
&& !C_DECL_DECLARED_BUILTIN (olddecl))
/* Don't warn about an extern followed by a definition. */
&& !(DECL_EXTERNAL (olddecl) && !DECL_EXTERNAL (newdecl))
/* Don't warn about forward parameter decls. */

31
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2004-07-24 Zack Weinberg <zack@codesourcery.com>
PR 16684
* gcc.dg/Wredundant-decls-1.c: New test case.
2004-07-24 Jakub Jelinek <jakub@redhat.com>
* README.compat: Add RUN_ALL_COMPAT_TESTS documentation.
@ -58,7 +63,7 @@
2004-07-22 David Billinghurst (David.Billinghurst@riotinto.com)
* gfortran.dg/g77/970625-2.f Copy from g77.f-torture/execute.
* gfortran.dg/g77/970625-2.f Copy from g77.f-torture/execute.
Add dg-run directive. Declare variables as required.
* gfortran.dg/g77/README: Update
@ -112,7 +117,7 @@
2004-07-21 David Billinghurst (David.Billinghurst@riotinto.com)
Copy cases from g77.f-torture/execute and add dg-run
directive. Other changes as noted.
directive. Other changes as noted.
* gfortran.dg/g77/13037.f
* gfortran.dg/g77/1832.f
* gfortran.dg/g77/19981119-0.f
@ -184,7 +189,7 @@
g++.dg/parse/casting-operator2.C, g++.dg/parse/dtor3.C,
g++.dg/parse/typename6.C, g++.dg/template/dependent-expr4.C,
g++.dg/template/nontype3.C: Remove trailing CR from tests.
2004-07-18 Mark Mitchell <mark@codesourcery.com>
PR c++/16623
@ -298,7 +303,7 @@
PR c++/16518
* g++.dg/parse/mutable1.C: New test.
2004-07-13 Diego Novillo <dnovillo@redhat.com>
PR tree-optimization/16443
@ -312,7 +317,7 @@
2004-07-13 David Billinghurst <David.Billinghurst@riotinto.com>
* gfortran.dg/g77/README: New file
* gfortran.dg/g77/19981216-0.f: Copy from
* gfortran.dg/g77/19981216-0.f: Copy from
g77.f-torture/noncompile. Add "dg-do compile" and
dg-error as required.
* gfortran.dg/g77/19990218-1.f: Likewise
@ -334,12 +339,12 @@
* gfortran.dg/g77/970125-0.f: Add dg-excess-errors.
* gfortran.dg/g77/980519-2.f: Declare hd_S,hd_Z,hd_T
* gfortran.dg/g77/990115-1.f: Declare RANK as INTEGER
* gfortran.dg/g77/alpha1.f: Separate declaration and DATA
statement to conform to standard. Append alpha1.x for reference.
* gfortran.dg/g77/alpha1.f: Separate declaration and DATA
statement to conform to standard. Append alpha1.x for reference.
* gfortran.dg/g77/xformat.f: Add dg-warning
2004-07-13 David Billinghurst <David.Billinghurst@riotinto.com>
* gfortran.dg/g77/cpp.F: Copy from g77.f-torture/compile.
Add {dg-do compile} directive.
* gfortran.dg/g77/cpp2.F: Likewise
@ -361,7 +366,7 @@
* g++.old-deja/g++.ns/new1.C: Remove (ill-formed).
2004-07-12 David Billinghurst <David.Billinghurst@riotinto.com>
* gfortran.dg/g77/12002.f: Copy from g77.f-torture/compile.
Add {dg-do compile} directive.
* gfortran.dg/g77/13060.f: Likewise
@ -428,14 +433,14 @@
PR fortran/17574
* gfortran.dg/pr15754.f90: New test.
2004-07-11 Joseph S. Myers <jsm@polyomino.org.uk>
PR tree-optimization/16437
* gcc.c-torture/execute/bitfld-4.c: New test.
2004-07-10 Tobias Schlueter <tobias.schlueter@physik.uni-muenchen.de>
* gfortran.fortran-torture/execute/common_2.f90: Add check for
access to common var from module.
@ -465,7 +470,7 @@
* gfortran.dg/g77/pr9258.f: Likewise. Add dg-warning lines.
2004-07-10 Tobias Schlueter <tobias.schlueter@physik.uni-muenchen.de>
* gfortran.fortran-torture/execute/module_init_1.f90: Fix test.
2004-07-10 Tobias Schlueter <tobias.schlueter@physik.uni-muenchen.de>
@ -484,7 +489,7 @@
* gcc.c-torture/compile/20040709-1.c: New.
2004-07-09 Tobias Schlueter <tobias.schlueter@physik.uni-muenchen.de>
PR fortran/14077
* gfortran.fortran-torture/execute/module_init_1.f90: New test.

7
gcc/testsuite/gcc.dg/Wredundant-decls-1.c Normal file
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@ -0,0 +1,7 @@
/* PR 16684: no redundant declaration warnings should issue the first
time a built-in function is declared.
{ dg-do compile }
{ dg-options "-Wredundant-decls" } */
void *malloc (__SIZE_TYPE__); /* { dg-bogus "redundant" } */
void *malloc (__SIZE_TYPE__); /* { dg-warning "redundant" } */