re PR c++/17788 (poor diagnostic for missing reference initializer)

gcc/cp/ChangeLog:
PR c++/17788
* class.c (add_implicitly_declared_members, check_field_decl)
(check_field_decls, check_bases): Remove arguments, tests and
assignments of cant_have_default_ctor-related variables.
gcc/testsuite/ChangeLog:
PR c++/17788
* g++.dg/init/ctor4.C: New.
* g++.old-deja/g++.bugs/900205_04.C: Adjust.

From-SVN: r95071

3 files changed, 34 insertions, 4 deletions

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 4de8e11cef1..1a66c5eddfb 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,9 @@
+2005-02-15  Alexandre Oliva  <aoliva@redhat.com>
+
+	PR c++/17788
+	* g++.dg/init/ctor4.C: New.
+	* g++.old-deja/g++.bugs/900205_04.C: Adjust.
+
 2005-02-15  Joseph S. Myers  <joseph@codesourcery.com>
 
 	* gcc.dg/overflow-warn-1.c, gcc.dg/overflow-warn-2.c,
diff --git a/gcc/testsuite/g++.dg/init/ctor4.C b/gcc/testsuite/g++.dg/init/ctor4.C
new file mode 100644
index 00000000000..b217b204000
--- /dev/null
+++ b/gcc/testsuite/g++.dg/init/ctor4.C
@@ -0,0 +1,20 @@
+// PR c++/17788
+// { dg-do compile }
+
+class foo {
+public:
+  foo();
+};
+
+class bar: public foo {
+private:
+  int &a;
+};
+
+foo::foo() {
+}
+
+int main(int argc, char **argv)
+{
+  bar x; // { dg-error "uninitialized" }
+}
diff --git a/gcc/testsuite/g++.old-deja/g++.bugs/900205_04.C b/gcc/testsuite/g++.old-deja/g++.bugs/900205_04.C
index e5f59ab63bc..a2c84fadb9e 100644
--- a/gcc/testsuite/g++.old-deja/g++.bugs/900205_04.C
+++ b/gcc/testsuite/g++.old-deja/g++.bugs/900205_04.C
@@ -9,19 +9,23 @@
 
 // keywords: default constructor, inheritance
 
-struct struct0 {
+// In ISO C++ 1998, such a derived class is not ill-formed, but if the
+// implicitly-declared constructor is used, then it is implicitly
+// defined and found to be ill-formed.
+
+struct struct0 { // { dg-error "note" }
   int data_member;
 
   struct0 (int, void *);	// suppresses implicit default constructor
 };
 
-struct0::struct0 (int, void *)
+struct0::struct0 (int, void *) // { dg-error "note" }
 {
 }
 
-struct struct0_derived_struct_0 : public struct0 { // { dg-error "" } 
+struct struct0_derived_struct_0 : public struct0 { // { dg-error "" }
 };
 
-// struct0_derived_struct_0 object;	// would give g++ error if compiled
+struct0_derived_struct_0 object;
 
 int main () { return 0; }