re PR c++/53301 (Spurious -Wzero-as-null-pointer-constant with reference arguments)

/cp
2012-05-10  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/53301
	* decl.c (check_default_argument): Fix typo (POINTER_TYPE_P
	instead of TYPE_PTR_P) in zero-as-null-pointer-constant warning.

/testsuite
2012-05-10  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/53301
	* g++.dg/warn/Wzero-as-null-pointer-constant-6.C: New.

From-SVN: r187377

gcc/cp/ChangeLog

+2012-05-10  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/53301
+	* decl.c (check_default_argument): Fix typo (POINTER_TYPE_P
+	instead of TYPE_PTR_P) in zero-as-null-pointer-constant warning.
+
 2012-05-06  Paolo Carlini  <paolo.carlini@oracle.com>
 
 	PR c++/53152

gcc/cp/decl.c

@@ -10619,7 +10619,7 @@ check_default_argument (tree decl, tree arg)
 
   if (warn_zero_as_null_pointer_constant
       && c_inhibit_evaluation_warnings == 0
-      && (POINTER_TYPE_P (decl_type) || TYPE_PTR_TO_MEMBER_P (decl_type))
+      && (TYPE_PTR_P (decl_type) || TYPE_PTR_TO_MEMBER_P (decl_type))
       && null_ptr_cst_p (arg)
       && !NULLPTR_TYPE_P (TREE_TYPE (arg)))
     {

gcc/testsuite/ChangeLog

+2012-05-10  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/53301
+	* g++.dg/warn/Wzero-as-null-pointer-constant-6.C: New.
+
 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
 
 	* gnat.dg/lto11.ad[sb]: New test.

gcc/testsuite/g++.dg/warn/Wzero-as-null-pointer-constant-6.C

+// PR c++/53301
+// { dg-options "-Wzero-as-null-pointer-constant" }
+
+class x { public: x(int v) {} };
+
+void foo(const x& = 0);