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decl2.c (finish_static_data_member_decl): Diagnose static data member in unnamed class.

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* decl2.c (finish_static_data_member_decl): Diagnose static data
	member in unnamed class.

From-SVN: r208156
This commit is contained in:
Jason Merrill 2014-02-25 16:18:19 -05:00 committed by Jason Merrill
parent 88def6374c
commit a6659b552d
6 changed files with 27 additions and 4 deletions
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4
gcc/cp/ChangeLog
View File

@ -1,5 +1,9 @@
2014-02-25 Jason Merrill <jason@redhat.com>
* decl2.c (finish_static_data_member_decl): Diagnose static data
member in unnamed class.
* class.c (finish_struct_anon_r): Avoid redundant diagnostic.
PR lto/53808
* class.c (clone_function_decl): Call note_vague_linkage_fn for
defaulted virtual dtor.

4
gcc/cp/class.c
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@ -2851,7 +2851,9 @@ finish_struct_anon_r (tree field, bool complain)
if (TREE_CODE (elt) != FIELD_DECL)
{
if (complain)
/* We already complained about static data members in
finish_static_data_member_decl. */
if (complain && TREE_CODE (elt) != VAR_DECL)
{
if (is_union)
permerror (input_location,

11
gcc/cp/decl2.c
View File

@ -802,6 +802,17 @@ finish_static_data_member_decl (tree decl,
&& !DECL_TEMPLATE_INSTANTIATION (decl))
permerror (input_location, "local class %q#T shall not have static data member %q#D",
current_class_type, decl);
else
for (tree t = current_class_type; TYPE_P (t);
t = CP_TYPE_CONTEXT (t))
if (TYPE_ANONYMOUS_P (t))
{
if (permerror (DECL_SOURCE_LOCATION (decl),
"static data member %qD in unnamed class", decl))
inform (DECL_SOURCE_LOCATION (TYPE_NAME (t)),
"unnamed class defined here");
break;
}
DECL_IN_AGGR_P (decl) = 1;

4
gcc/testsuite/g++.dg/ext/anon-struct5.C
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@ -2,12 +2,12 @@
struct A
{
struct { static int i; }; // { dg-error "prohibits anonymous structs|an anonymous struct" }
struct { static int i; }; // { dg-error "prohibits anonymous structs|an anonymous struct|unnamed class" }
void foo() { i; }
};
struct B
{
union { static int i; }; // { dg-error "an anonymous union|member of a union" }
union { static int i; }; // { dg-error "an anonymous union|member of a union|unnamed class" }
void foo() { i; }
};

2
gcc/testsuite/g++.dg/ext/anon-struct6.C
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@ -4,7 +4,7 @@ struct A
{
struct
{ // { dg-error "anonymous struct cannot have function members" }
struct { static int i; }; // { dg-error "prohibits anonymous structs|non-static data members" }
struct { static int i; }; // { dg-error "prohibits anonymous structs|non-static data members|unnamed class" }
void foo() { i; }
}; // { dg-error "prohibits anonymous structs" }
};

6
gcc/testsuite/g++.dg/parse/unnamed1.C Normal file
View File

@ -0,0 +1,6 @@
// 9.4.2/4: Unnamed classes and classes contained directly or indirectly
// within unnamed classes shall not contain static data members.
typedef struct { // { dg-message "unnamed" }
static int i; // { dg-error "static data member" }
} A;