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c-decl.c (grokdeclarator): Disable warnings for anonymous bitfields.

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gcc/ChangeLog:
* c-decl.c (grokdeclarator): Disable warnings for anonymous
bitfields.
* tree-sra.c (instantiate_element): Propagate disabled warnings
from the element itself to the created variable.
gcc/cp/ChangeLog:
* decl.c (grokdeclarator): Disable warnings for anonymous
bitfields.

From-SVN: r122684
This commit is contained in:
Alexandre Oliva 2007-03-08 06:48:21 +00:00 • committed by Alexandre Oliva
parent cd265edd7b
commit ab53bae286
5 changed files with 20 additions and 1 deletions
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7
gcc/ChangeLog
View file

@ -1,3 +1,10 @@
2007-03-08 Alexandre Oliva <aoliva@redhat.com>
* c-decl.c (grokdeclarator): Disable warnings for anonymous
bitfields.
* tree-sra.c (instantiate_element): Propagate disabled warnings
from the element itself to the created variable.
2007-03-07 Richard Henderson <rth@redhat.com>
PR target/30848

2
gcc/c-decl.c
View file

@ -4748,6 +4748,8 @@ grokdeclarator (const struct c_declarator *declarator,
type = c_build_qualified_type (type, type_quals);
decl = build_decl (FIELD_DECL, declarator->u.id, type);
DECL_NONADDRESSABLE_P (decl) = bitfield;
if (bitfield && !declarator->u.id)
TREE_NO_WARNING (decl) = 1;
if (size_varies)
C_DECL_VARIABLE_SIZE (decl) = 1;

5
gcc/cp/ChangeLog
View file

@ -1,3 +1,8 @@
2007-03-08 Alexandre Oliva <aoliva@redhat.com>
* decl.c (grokdeclarator): Disable warnings for anonymous
bitfields.
2007-03-05 Volker Reichelt <reichelt@netcologne.de>
* typeck2.c (readonly_error): Always emit a hard error.

5
gcc/cp/decl.c
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@ -1,6 +1,6 @@
/* Process declarations and variables for C++ compiler.
Copyright (C) 1988, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
2001, 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
2001, 2002, 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
Contributed by Michael Tiemann (tiemann@cygnus.com)
This file is part of GCC.
@ -8539,6 +8539,9 @@ grokdeclarator (const cp_declarator *declarator,
{
decl = build_decl (FIELD_DECL, unqualified_id, type);
DECL_NONADDRESSABLE_P (decl) = bitfield;
if (bitfield && !unqualified_id)
TREE_NO_WARNING (decl) = 1;
if (storage_class == sc_mutable)
{
DECL_MUTABLE_P (decl) = 1;

2
gcc/tree-sra.c
View file

@ -1241,6 +1241,8 @@ instantiate_element (struct sra_elt *elt)
DECL_IGNORED_P (var) = 0;
TREE_NO_WARNING (var) = TREE_NO_WARNING (base);
if (elt->element && TREE_NO_WARNING (elt->element))
TREE_NO_WARNING (var) = 1;
}
else
{