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re PR c++/47957 (Type mismatch when a class derived a same name with template parameter)

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PR c++/47957

gcc/cp/

	* name-lookup.c (binding_to_template_parms_of_scope_p): Only
	consider scopes of primary template definitions.  Adjust comments.

gcc/testsuite/

	* g++.dg/lookup/template3.C: New test.

From-SVN: r170779
This commit is contained in:
Dodji Seketeli 2011-03-08 15:38:30 +00:00 • committed by Dodji Seketeli
parent 1c2bbb161e
commit 9ca6556ebc
4 changed files with 53 additions and 2 deletions
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5
gcc/cp/ChangeLog
View file

@ -1,3 +1,8 @@
2011-03-08 Dodji Seketeli <dodji@redhat.com>
* name-lookup.c (binding_to_template_parms_of_scope_p): Only
consider scopes of primary template definitions. Adjust comments.
2011-03-07 Jason Merrill <jason@redhat.com>
PR c++/48003

11
gcc/cp/name-lookup.c
View file

@ -4205,8 +4205,13 @@ qualified_lookup_using_namespace (tree name, tree scope,
}
/* Subroutine of outer_binding.
Returns TRUE if BINDING is a binding to a template parameter of SCOPE,
FALSE otherwise. */
Returns TRUE if BINDING is a binding to a template parameter of
SCOPE. In that case SCOPE is the scope of a primary template
parameter -- in the sense of G++, i.e, a template that has its own
template header.
Returns FALSE otherwise. */
static bool
binding_to_template_parms_of_scope_p (cxx_binding *binding,
@ -4222,6 +4227,8 @@ binding_to_template_parms_of_scope_p (cxx_binding *binding,
return (scope
&& scope->this_entity
&& get_template_info (scope->this_entity)
&& PRIMARY_TEMPLATE_P (TI_TEMPLATE
(get_template_info (scope->this_entity)))
&& parameter_of_template_p (binding_value,
TI_TEMPLATE (get_template_info \
(scope->this_entity))));

4
gcc/testsuite/ChangeLog
View file

@ -1,3 +1,7 @@
2011-03-08 Dodji Seketeli <dodji@redhat.com>
* g++.dg/lookup/template3.C: New test.
2011-03-08 Kai Tietz <ktietz@redhat.com>
* g++.dg/tree-ssa/pr21082.C: Use __INTPTR_TYPE__ instead of

35
gcc/testsuite/g++.dg/lookup/template3.C Normal file
View file

@ -0,0 +1,35 @@
// Origin PR c++/47957
// { dg-do compile }
struct S
{
int m;
S()
: m(0)
{
}
};
struct Base
{
typedef S T;
};
template<class T>
struct Derived : public Base
{
int
foo()
{
T a; // This is Base::T, not the template parameter.
return a.m;
}
};
int
main()
{
Derived<char> d;
return d.foo();
}