+2011-11-30 Paolo Carlini <paolo.carlini@oracle.com>
+
+ PR c++/51299
+ * rtti.c (ifnonnull): Use nullptr_node.
+ (build_dynamic_cast_1): Call cp_truthvalue_conversion instead
+ of c_common_truthvalue_conversion.
+
2011-11-24 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/51227
{
return build3 (COND_EXPR, TREE_TYPE (result),
build2 (EQ_EXPR, boolean_type_node, test,
- cp_convert (TREE_TYPE (test), integer_zero_node)),
- cp_convert (TREE_TYPE (result), integer_zero_node),
+ cp_convert (TREE_TYPE (test), nullptr_node)),
+ cp_convert (TREE_TYPE (result), nullptr_node),
result);
}
tree neq;
result = save_expr (result);
- neq = c_common_truthvalue_conversion (input_location, result);
+ neq = cp_truthvalue_conversion (result);
return cp_convert (type,
build3 (COND_EXPR, TREE_TYPE (result),
neq, result, bad));
+2011-11-30 Paolo Carlini <paolo.carlini@oracle.com>
+
+ PR c++/51299
+ * g++.dg/warn/Wzero-as-null-pointer-constant-4.C: New.
+
2011-11-29 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/51247
--- /dev/null
+// PR c++/51299
+// { dg-options "-Wzero-as-null-pointer-constant" }
+
+class Base
+{
+ public:
+ virtual ~Base();
+};
+
+class Derived : public Base
+{
+};
+
+void foo(Base* b)
+{
+ Derived* d = dynamic_cast<Derived*>(b);
+}
+
+void bar(Base& b)
+{
+ Derived& d = dynamic_cast<Derived&>(b);
+}