# HG changeset patch
# User Christian Kamm <kamm incasoftware de>
# Date 1217321758 -7200
# Node ID 3424f0fab7a99d4674e308f2e00188b469ef84d7
# Parent  fa91b03d9cd7d34888d79e862ade4fa0c2324fa8
Error instead of assert on unimplemented interface functions.

diff -r fa91b03d9cd7 -r 3424f0fab7a9 gen/classes.cpp
--- a/gen/classes.cpp	Tue Jul 29 10:29:52 2008 +0200
+++ b/gen/classes.cpp	Tue Jul 29 10:55:58 2008 +0200
@@ -656,7 +656,11 @@
             {
                 Logger::println("interface vtbl const init nr. %d", k);
                 Dsymbol* dsym = (Dsymbol*)b->vtbl.data[k];
-                assert(dsym);
+
+                // error on unimplemented functions, error was already generated earlier
+                if(!dsym)
+                    fatal();
+
                 FuncDeclaration* fd = dsym->isFuncDeclaration();
                 assert(fd);
                 DtoForceDeclareDsymbol(fd);