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search.c (lookup_fnfields_here): Remove. 

cp:
	* search.c (lookup_fnfields_here): Remove.
	(look_for_overrides_r): Use lookup_fnfields_1.
	Ignore functions from using declarations.
testsuite:
	* g++.old-deja/g++.other/virtual11.C: New test.

From-SVN: r38661
This commit is contained in:
Nathan Sidwell 2001-01-03 15:01:16 +00:00 committed by Nathan Sidwell
parent 713f41f9b3
commit 3c505507d3
4 changed files with 45 additions and 30 deletions
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6
gcc/cp/ChangeLog
View File

@ -1,3 +1,9 @@
2001-01-03 Nathan Sidwell <nathan@codesourcery.com>
* search.c (lookup_fnfields_here): Remove.
(look_for_overrides_r): Use lookup_fnfields_1.
Ignore functions from using declarations.
2001-01-03 Nathan Sidwell <nathan@codesourcery.com>
Implement exceptions specifiers for implicit member functions.

34
gcc/cp/search.c
View File

@ -85,7 +85,6 @@ struct vbase_info
static tree get_vbase_1 PARAMS ((tree, tree, unsigned int *));
static tree lookup_field_1 PARAMS ((tree, tree));
static int lookup_fnfields_here PARAMS ((tree, tree));
static int is_subobject_of_p PARAMS ((tree, tree, tree));
static tree virtual_context PARAMS ((tree, tree, tree));
static tree dfs_check_overlap PARAMS ((tree, void *));
@ -1249,33 +1248,6 @@ is_subobject_of_p (parent, binfo, most_derived)
return 0;
}
/* Very similar to lookup_fnfields_1 but it ensures that at least one
function was declared inside the class given by TYPE. It really should
only return functions that match the given TYPE. Therefore, it should
only be called for situations that ignore using-declarations, such as
determining overrides. */
static int
lookup_fnfields_here (type, name)
tree type, name;
{
int idx = lookup_fnfields_1 (type, name);
tree fndecls;
/* ctors and dtors are always only in the right class. */
if (idx <= 1)
return idx;
fndecls = TREE_VEC_ELT (CLASSTYPE_METHOD_VEC (type), idx);
while (fndecls)
{
if (TYPE_MAIN_VARIANT (DECL_CONTEXT (OVL_CURRENT (fndecls)))
== TYPE_MAIN_VARIANT (type))
return idx;
fndecls = OVL_CHAIN (fndecls);
}
return -1;
}
struct lookup_field_info {
/* The type in which we're looking. */
tree type;
@ -2015,7 +1987,7 @@ look_for_overrides_r (type, fndecl)
if (DECL_DESTRUCTOR_P (fndecl))
ix = CLASSTYPE_DESTRUCTOR_SLOT;
else
ix = lookup_fnfields_here (type, DECL_NAME (fndecl));
ix = lookup_fnfields_1 (type, DECL_NAME (fndecl));
if (ix >= 0)
{
tree fns = TREE_VEC_ELT (CLASSTYPE_METHOD_VEC (type), ix);
@ -2029,7 +2001,9 @@ look_for_overrides_r (type, fndecl)
tree btypes = TYPE_ARG_TYPES (TREE_TYPE (fn));
if (!DECL_VIRTUAL_P (fn))
;
/* Not a virtual */;
else if (DECL_CONTEXT (fn) != type)
/* Introduced with a using declaration */;
else if (thistype == NULL_TREE)
{
if (compparms (TREE_CHAIN (btypes), dtypes))

4
gcc/testsuite/ChangeLog
View File

@ -1,3 +1,7 @@
2001-01-03 Nathan Sidwell <nathan@codesourcery.com>
* g++.old-deja/g++.other/virtual11.C: New test.
2001-01-03 Nathan Sidwell <nathan@codesourcery.com>
* g++.old-deja/g++.eh/spec6.C: Remove remaining XFAIL.

31
gcc/testsuite/g++.old-deja/g++.other/virtual11.C Normal file
View File

@ -0,0 +1,31 @@
// Build don't link:
// Copyright (C) 2000 Free Software Foundation, Inc.
// Contributed by Nathan Sidwell 14 Nov 2000 <nathan@codesourcery.com>
// We failed to check virtual functions hidden by using declarations.
struct A
{
virtual int foo ();
};
struct B
{
virtual void foo (); // ERROR - of this function
};
struct C : A , B
{
};
struct D : C
{
void foo (short);
using A::foo;
};
struct E : D
{
virtual int foo (); // ERROR - invalid override
};