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re PR c++/47172 ([C++0x] cannot call member function without object)

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Fix PR c++/47172

gcc/cp/

	PR c++/47172
	* pt.c (finish_call_expr): Consider a call expression that has a
	dependent "this" pointer as being dependent.  Add comments.
	(dependent_type_p, type_dependent_expression_p): Update comments.

gcc/testsuite/

	* g++.dg/template/inherit6.C: New test.

From-SVN: r170240
This commit is contained in:
Dodji Seketeli 2011-02-17 06:50:35 +00:00 • committed by Dodji Seketeli
parent fc2c5998f7
commit 1770aeed11
5 changed files with 52 additions and 3 deletions
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7
gcc/cp/ChangeLog
View file

@ -1,3 +1,10 @@
2011-02-11 Dodji Seketeli <dodji@redhat.com>
PR c++/47172
* pt.c (finish_call_expr): Consider a call expression that has a
dependent "this" pointer as being dependent. Add comments.
(dependent_type_p, type_dependent_expression_p): Update comments.
2011-02-16 Dodji Seketeli <dodji@redhat.com>
PR c++/47326

7
gcc/cp/pt.c
View file

@ -17921,7 +17921,7 @@ dependent_type_p_r (tree type)
}
/* Returns TRUE if TYPE is dependent, in the sense of
[temp.dep.type]. */
[temp.dep.type]. Note that a NULL type is considered dependent. */
bool
dependent_type_p (tree type)
@ -18193,7 +18193,10 @@ value_dependent_expression_p (tree expression)
}
/* Returns TRUE if the EXPRESSION is type-dependent, in the sense of
[temp.dep.expr]. */
[temp.dep.expr]. Note that an expression with no type is
considered dependent. Other parts of the compiler arrange for an
expression with type-dependent subexpressions to have no type, so
this function doesn't have to be fully recursive. */
bool
type_dependent_expression_p (tree expression)

13
gcc/cp/semantics.c
View file

@ -2028,8 +2028,19 @@ finish_call_expr (tree fn, VEC(tree,gc) **args, bool disallow_virtual,
if (processing_template_decl)
{
/* If the call expression is dependent, build a CALL_EXPR node
with no type; type_dependent_expression_p recognizes
expressions with no type as being dependent. */
if (type_dependent_expression_p (fn)
|| any_type_dependent_arguments_p (*args))
|| any_type_dependent_arguments_p (*args)
/* For a non-static member function, we need to specifically
test the type dependency of the "this" pointer because it
is not included in *ARGS even though it is considered to
be part of the list of arguments. Note that this is
related to CWG issues 515 and 1005. */
|| ((TREE_CODE (TREE_TYPE (fn)) == METHOD_TYPE)
&& current_class_ref
&& type_dependent_expression_p (current_class_ref)))
{
result = build_nt_call_vec (fn, *args);
KOENIG_LOOKUP_P (result) = koenig_p;

5
gcc/testsuite/ChangeLog
View file

@ -1,3 +1,8 @@
2011-02-11 Dodji Seketeli <dodji@redhat.com>
PR c++/47172
* g++.dg/template/inherit6.C: New test.
2011-02-16 Janus Weil <janus@gcc.gnu.org>
PR fortran/47745

23
gcc/testsuite/g++.dg/template/inherit6.C Normal file
View file

@ -0,0 +1,23 @@
// Origin PR c++/47172
// { dg-options "-std=c++0x" }
// { dg-do compile }
struct A
{
int f() const;
};
template <class T>
struct B : A { };
template <class T>
struct C : B<T>
{
void g();
};
template <class T>
void C<T>::g()
{
A::f();
}