add missing tests, put in various test adjustments from devo

From-SVN: r15850

gcc/testsuite/g++.old-deja/g++.benjamin/p12475.C

 // Build don't link:
 // prms-id: 12475
 
-enum huh { start =-2147483648, next };
+enum huh { start =-2147483648, next };		// WARNING - 
 

gcc/testsuite/g++.old-deja/g++.law/missed-error2.C

@@ -17,7 +17,9 @@ main() {
    foo(4, -37, 14.39, 14.38);
 }
 
-static void foo(int i, int j, double x, double y) { // ERROR - extern
+// 971006 we no longer give an error for this since we emit a hard error
+// about the declaration above
+static void foo(int i, int j, double x, double y) { 
 
    cout << "Max(int): " << max(i,j) << " Max(double): " <<
 max(x,y) << '\n';

gcc/testsuite/g++.old-deja/g++.law/visibility1.C

+// Build don't link: 
+// GROUPS passed visibility
+#include <iostream.h>
+
+
+
+class base {
+//==========
+
+    void base_priv(char * n) 		
+	{ cout << "base_priv called from: " << n << "\n";  };
+
+protected:
+
+    void base_prot(char * n) 
+	{ cout << "base_prot called from: " << n << "\n"; };
+
+public:
+
+    void base_publ(char * n) 
+	{ cout << "base_publ called from: " << n << "\n"; };
+
+    void test(char * n) { base_publ(n); base_prot(n); base_priv(n); }
+
+}; // class base
+ 
+
+
+class derived : private base {	// Make this public, 
+//============================	// and we don't get an error
+
+friend void derived_friend();
+
+public :
+
+    void test(char * n) { base_publ(n); base_prot(n);}
+
+}; // class derived
+
+
+
+void
+derived_friend()
+//--------------
+{
+    derived pd;
+
+    pd.base_publ("friend of derived class");	// Compiler error here
+    pd.base_prot("friend of derived class");
+}
+
+
+
+main(int argc, char *argv[])
+//==========================
+{
+    base b;
+    b.base_publ("base class object");
+    b.test("member of base class object");
+    cout << "\n";
+
+    derived pd;
+    pd.test("member of derived class object");
+    derived_friend();
+    cout << "\n";
+
+} /* main */
+

gcc/testsuite/g++.old-deja/g++.law/visibility2.C

+// Build don't link: 
+// GROUPS passed visibility
+#include <iostream.h>
+
+
+
+class base {
+//==========
+
+    void base_priv(char * n) 		
+	{ cout << "base_priv called from: " << n << "\n";  };
+
+protected:
+
+    void base_prot(char * n) 
+	{ cout << "base_prot called from: " << n << "\n"; };
+
+public:
+
+    void base_publ(char * n) 
+	{ cout << "base_publ called from: " << n << "\n"; };
+
+    void test(char * n) { base_publ(n); base_prot(n); base_priv(n); }
+
+}; // class base
+ 
+
+
+class derived : public base {	// Make this public, 
+//============================	// and we don't get an error
+
+friend void derived_friend();
+
+public :
+
+    void test(char * n) { base_publ(n); base_prot(n);}
+
+}; // class derived
+
+
+
+void
+derived_friend()
+//--------------
+{
+    derived pd;
+
+    pd.base_publ("friend of derived class");	// Compiler error here
+    pd.base_prot("friend of derived class");
+}
+
+
+
+main(int argc, char *argv[])
+//==========================
+{
+    base b;
+    b.base_publ("base class object");
+    b.test("member of base class object");
+    cout << "\n";
+
+    derived pd;
+    pd.test("member of derived class object");
+    derived_friend();
+    cout << "\n";
+
+} /* main */
+