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re PR c++/36695 (Value-initialization of reference type is allowed.)

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PR c++/36695
	* typeck2.c (build_functional_cast): Check for reference type and NULL
	PARMS.
                                                                                                                                         
	* g++.dg/ext/complex4.C: New test.
	* g++.dg/ext/complex5.C: New test.
	* g++.dg/init/reference1.C: New test.
	* g++.dg/init/reference2.C: New test.
	* g++.dg/init/reference3.C: New test.

From-SVN: r143244
This commit is contained in:
Andrew Pinski 2009-01-10 03:48:06 -08:00 committed by Jakub Jelinek
parent 56dbbf5621
commit d67a3e2a7f
8 changed files with 69 additions and 0 deletions

6
gcc/cp/ChangeLog

@ -1,3 +1,9 @@
2009-01-10 Andrew Pinski <pinskia@gmail.com>
PR c++/36695
* typeck2.c (build_functional_cast): Check for reference type and NULL
PARMS.
2009-01-09 Steve Ellcey <sje@cup.hp.com>
* typeck.c (cp_build_unary_op): Check for ERROR_MARK.

6
gcc/cp/typeck2.c

@ -1445,6 +1445,12 @@ build_functional_cast (tree exp, tree parms, tsubst_flags_t complain)
else
type = exp;
if (TREE_CODE (type) == REFERENCE_TYPE && !parms)
{
error ("invalid value-initialization of reference types");
return error_mark_node;
}
if (processing_template_decl)
{
tree t = build_min (CAST_EXPR, type, parms);

9
gcc/testsuite/ChangeLog

@ -1,3 +1,12 @@
2009-01-10 Andrew Pinski <pinskia@gmail.com>
PR c++/36695
* g++.dg/ext/complex4.C: New test.
* g++.dg/ext/complex5.C: New test.
* g++.dg/init/reference1.C: New test.
* g++.dg/init/reference2.C: New test.
* g++.dg/init/reference3.C: New test.
2009-01-10 Paul Thomas <pault@gcc.gnu.org>
PR fortran/38763

5
gcc/testsuite/g++.dg/ext/complex4.C Normal file

@ -0,0 +1,5 @@
// { dg-do compile }
// This code used to be rejected as there was no conversion from int to float __complex__
#include <vector>
typedef float __complex__ fcomplex;
std::vector<fcomplex> vfc(10);

6
gcc/testsuite/g++.dg/ext/complex5.C Normal file

@ -0,0 +1,6 @@
/* PR c++/21210 */
/* { dg-do compile } */
/* { dg-options "-O2" } */
typedef float __complex__ fcomplex;
fcomplex cplx = fcomplex(0);

11
gcc/testsuite/g++.dg/init/reference1.C Normal file

@ -0,0 +1,11 @@
// { dg-do compile }
// This code used to be accepted but it is invalid as there is no
// value initialization of a reference type.
// PR c++/36695
int main()
{
typedef int& T;
T a = T(); // { dg-error "value-initialization of reference" }
}

13
gcc/testsuite/g++.dg/init/reference2.C Normal file

@ -0,0 +1,13 @@
// { dg-do compile }
// This code used to be accepted but it is invalid as there is no
// value initialization of a reference type.
// PR c++/36695
// We should we able to diagnostic this without instantiating the template
template <int a1>
int f()
{
typedef int& T;
T a = T(); // { dg-error "value-initialization of reference" }
}

13
gcc/testsuite/g++.dg/init/reference3.C Normal file

@ -0,0 +1,13 @@
// { dg-do compile }
// This code used to be accepted but it is invalid as there is no
// value initialization of a reference type.
// PR c++/36695
template <typename T>
T f()
{
T a = T(); // { dg-error "value-initialization of reference" }
}
int &a = f<int&>(); // { dg-message "instantiated from here" }