Add regression test for class with scoped base class type

Check that classes with a scoped base class type get elaborated correctly.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>

ivtest/ivltests/sv_class_extends_scoped.v

@@ -0,0 +1,29 @@
+// Check that base class defined in a package is handled correctly
+
+package P;
+  class B;
+    task check;
+      $display("PASSED");
+    endtask
+  endclass
+endpackage
+
+module test;
+
+  class B;
+    task check;
+      $display("FAILED");
+    endtask
+  endclass
+
+  class C extends P::B;
+  endclass
+
+  C c;
+
+  initial begin
+    c = new;
+    c.check();
+  end
+
+endmodule

ivtest/regress-sv.list

@@ -424,6 +424,7 @@ sv_class21		normal,-g2009		ivltests
 sv_class22		normal,-g2009		ivltests
 sv_class23		normal,-g2009		ivltests
 sv_class24		normal,-g2009		ivltests
+sv_class_extends_scoped	normal,-g2009		ivltests
 sv_darray1		normal,-g2009		ivltests
 sv_darray2		normal,-g2009		ivltests
 sv_darray3		normal,-g2009		ivltests

ivtest/regress-vlog95.list

@@ -363,6 +363,7 @@ sv_class21		CE,-g2009		ivltests
 sv_class22		CE,-g2009		ivltests
 sv_class23		CE,-g2009		ivltests
 sv_class24		CE,-g2009		ivltests
+sv_class_extends_scoped	CE,-g2009		ivltests
 sv_end_label		CE,-g2009		ivltests  # Also generate
 sv_foreach2		CE,-g2009,-pallowsigned=1	ivltests
 sv_foreach3		CE,-g2009		ivltests