ambig2.C: New test.

	* g++.old-deja/g++.other/ambig2.C: New test.
	* g++.old-deja/g++.other/cond5.C: New test.
	* g++.old-deja/g++.other/lookup16.C: New test.

From-SVN: r29057

gcc/testsuite/ChangeLog

+Thu Sep 02 09:27:34 BST 1999  Nathan Sidwell  <nathan@acm.org>
+
+	* g++.old-deja/g++.other/ambig2.C: New test.
+	* g++.old-deja/g++.other/cond5.C: New test.
+	* g++.old-deja/g++.other/lookup16.C: New test.
+
 Thu Sep  2 01:17:51 1999  Marc Espie <espie@cvs.openbsd.org>
 
 	* gcc.dg/980414-1.c: Fix assembler syntax to work with old

gcc/testsuite/g++.old-deja/g++.other/ambig2.C

+// Build don't link:
+// Copyright (C) 1999 Free Software Foundation, Inc.
+// Contributed by Nathan Sidwell 29 Aug 1999 <nathan@acm.org>
+
+// We should spot all ambiguities
+
+struct A {int m;};
+struct B : A { int m; };
+struct C : A { int m; };
+struct D0 : virtual B, virtual C { int m; };
+struct D1 : virtual B, C { int m; };
+struct D2 : B, virtual C { int m; };
+struct D3 : B, C { int m; };
+
+void fn(D0 *d0, D1 *d1, D2 *d2, D3 *d3)
+{
+  A *a0 = d0;   // ERROR - A is an ambiguous base
+  A *a1 = d1;   // ERROR - A is an ambiguous base
+  A *a2 = d2;   // ERROR - A is an ambiguous base
+  A *a3 = d3;   // ERROR - A is an ambiguous base
+}

gcc/testsuite/g++.old-deja/g++.other/cond5.C

+// Build don't link:
+// Special g++ Options: -W -pedantic -ansi
+
+// Copyright (C) 1999 Free Software Foundation, Inc.
+// Contributed by Nathan Sidwell 1 Sep 1999 <nathan@acm.org>
+// Derived from bug report from Gabriel Dos Reis
+// <Gabriel.Dos-Reis@cmla.ens-cachan.fr>
+// http://egcs.cygnus.com/ml/egcs-bugs/1999-03/msg00883.html
+
+// conditional exprs have some funny rules when one of the types is void.
+// [expr.cond] 5.16, make sure we do the right things
+// We have checks for mismatching enumerations, check we give them -- they had
+// got lost due to changes in add_builtin_candidate and subsequent changes.
+
+struct X {};
+enum E1 {e1 = -1};
+enum E2 {e2 = -1};
+void f(int, ...);
+
+void fn(int i)
+{
+  double d;
+  int j;
+
+  j = (i ? e1 : e2);    // WARNING - mismatch
+  d = (i ? e1 : 1.0);   // WARNING - mismatch
+  d = (i ? 1.0 : e2);   // WARNING - mismatch
+  E1 e = (i ? e1 : e1); // ok
+  j = (i ? 1 : e2);     // ok
+  j = (i ? e1 : 1);     // ok
+  
+  j = (i ? throw X() : 1); // ok, int
+  j = (i ? 1 : throw X()); // ok, int
+  
+  (i ? throw X() : throw X());  // ok, void
+  
+  (i ? i : j) = 1; // ok, int &
+  (i ? throw X() : j) = 1;    // ERROR - non lvalue
+  (i ? j : throw X()) = 1;    // ERROR - non lvalue
+  (i ? throw X() : throw X()) = 1;  // ERROR - invalid use of void
+  
+  (i ? (void)1 : i++);        // WARNING - not a throw
+  (i ? i++ : (void)1);        // WARNING - not a throw
+  
+}

gcc/testsuite/g++.old-deja/g++.other/lookup16.C

+// Build don't link:
+// Copyright (C) 1999 Free Software Foundation, Inc.
+// Contributed by Nathan Sidwell 25 Aug 1999 <nathan@acm.org>
+
+// typenames are not injected early enough, [basic.scope.pdecl]3.3.1/4
+// indicates this should compile.
+
+struct A {
+};
+
+struct B : A {
+  typedef A Parent;
+  struct F {
+  };
+};
+
+struct C : B {
+  typedef B Parent;
+  struct G {};
+  struct F : C::Parent::F {
+    typedef C::Parent::F Parent;
+  };
+};
+
+struct D : B {
+  typedef B Parent;
+  struct F : D::Parent::F {
+    typedef D::Parent::F Parent;
+  };
+};