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* semantics.c (begin_class_definition): Robustify.

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From-SVN: r42937
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Mark Mitchell 2001-06-06 07:03:03 +00:00 committed by Mark Mitchell
parent 1b577f5a58
commit 47ee89044d
3 changed files with 30 additions and 7 deletions
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2
gcc/cp/ChangeLog
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@ -1,5 +1,7 @@
2001-06-05 Mark Mitchell <mark@codesourcery.com>
* semantics.c (begin_class_definition): Robustify.
* pt.c (instantiate_decl): Tell the repository code about the
clones, not the cloned functions.
* repo.c (repo_template_used): Explicitly instantiate the cloned

25
gcc/cp/semantics.c
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@ -1724,18 +1724,29 @@ begin_class_definition (t)
cp_error ("definition of `%#T' inside template parameter list", t);
return error_mark_node;
}
if (t == error_mark_node
|| ! IS_AGGR_TYPE (t))
/* In a definition of a member class template, we will get here with
an implicit typename. */
if (IMPLICIT_TYPENAME_P (t))
t = TREE_TYPE (t);
/* A non-implicit typename comes from code like:
template <typename T> struct A {
template <typename U> struct A<T>::B ...
This is erroneous. */
else if (TREE_CODE (t) == TYPENAME_TYPE)
{
cp_error ("invalid definition of qualified type `%T'", t);
t = error_mark_node;
}
if (t == error_mark_node || ! IS_AGGR_TYPE (t))
{
t = make_aggr_type (RECORD_TYPE);
pushtag (make_anon_name (), t, 0);
}
/* In a definition of a member class template, we will get here with an
implicit typename, a TYPENAME_TYPE with a type. */
if (TREE_CODE (t) == TYPENAME_TYPE)
t = TREE_TYPE (t);
/* If we generated a partial instantiation of this type, but now
we're seeing a real definition, we're actually looking at a
partial specialization. Consider:

10
gcc/testsuite/g++.old-deja/g++.pt/memtemp99.C Normal file
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@ -0,0 +1,10 @@
// Build don't link:
// Origin: bitti@cs.tut.fi
template<typename T, unsigned int N>
class Vector
{
public:
template<unsigned int I>
class Vector<T,N>::CommaInit { }; // ERROR - invalid definition
};