Set *correct* g++ options.

From-SVN: r29377

gcc/testsuite/g++.old-deja/g++.jason/rfg4.C

 // Bug: f1 and f2 are treated as overloaded when they aren't.
 // Build don't link:
-// Special g++ Options: -pedantic -errors -w
+// Special g++ Options: -ansi -pedantic-errors -w
 
 int i;
 void f1(double) { }

gcc/testsuite/g++.old-deja/g++.jason/rfg5.C

 // Bug: func is treated as an overloaded function when it isn't.
 // Build don't link:
-// Special g++ Options: -pedantic -errors -w
+// Special g++ Options: -ansi -pedantic-errors -w
 
 int *func () { return 0; }