mirrors/gcc
0
0
Fork 0
mirror of https://gcc.gnu.org/git/gcc.git synced 2024-12-03 16:54:27 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

re PR c++/9437 (template function parameter `T*' shouldn't match pointers to members)

Browse Source 
cp:
	PR c++/9437
	* pt.c (unify): Don't unify '*T' with 'U C::*'.
testsuite:
	PR c++/9437
	* g++.dg/template/unify4.C: New test.

From-SVN: r62070
This commit is contained in:
Nathan Sidwell 2003-01-29 11:35:33 +00:00 committed by Nathan Sidwell
parent cf0150b995
commit 9ae58faf6f
4 changed files with 32 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
gcc/cp/ChangeLog
View File

@ -1,5 +1,8 @@
2003-01-28 Nathan Sidwell <nathan@codesourcery.com>
PR c++/9437
* pt.c (unify): Don't unify '*T' with 'U C::*'.
PR c++/3902
* parser.c (cp_parser_decl_specifier_seq): Cannot have constructor
inside a declarator.

6
gcc/cp/pt.c
View File

@ -9447,6 +9447,12 @@ unify (tparms, targs, parm, arg, strict)
}
else
{
/* If ARG is an offset type, we're trying to unify '*T' with
'U C::*', which is ill-formed. See the comment in the
POINTER_TYPE case about this ugliness. */
if (TREE_CODE (arg) == OFFSET_TYPE)
return 1;
/* If PARM is `const T' and ARG is only `int', we don't have
a match unless we are allowing additional qualification.
If ARG is `const int' and PARM is just `T' that's OK;

5
gcc/testsuite/ChangeLog
View File

@ -1,3 +1,8 @@
2003-01-29 Nathan Sidwell <nathan@codesourcery.com>
PR c++/9437
* g++.dg/template/unify4.C: New test.
2003-01-28 Richard Sandiford <rsandifo@redhat.com>
* gcc.c-torture/execute/20030128-1.c: New test.

18
gcc/testsuite/g++.dg/template/unify4.C Normal file
View File

@ -0,0 +1,18 @@
// { dg-do compile }
// Copyright (C) 2003 Free Software Foundation, Inc.
// Contributed by Nathan Sidwell 28 Jan 2003 <nathan@codesourcery.com>
// PR 9437. We'd unify 'T *' with 'U C::*', which is obviously broken
struct X
{
template <typename T>
operator T* () const { return static_cast<T*> (0); }
} null;
struct A { int i; };
static void f (int A::* pmi) { }
int main () { f (null); } // { dg-error "cannot convert" "" }