# HG changeset patch
# User Christian Kamm <kamm incasoftware de>
# Date 1232714463 -3600
# Node ID 01d9ece9982aecda261d4e55353ae0e4f7d13af4
# Parent  493d425627333abf7b19632fe4134cdf9d3e2480
Fix bug #177 by not attempting to define composite debug info for
forward-declared structs.

diff -r 493d42562733 -r 01d9ece9982a gen/todebug.cpp
--- a/gen/todebug.cpp	Fri Jan 23 10:13:27 2009 +0100
+++ b/gen/todebug.cpp	Fri Jan 23 13:41:03 2009 +0100
@@ -439,6 +439,11 @@
         }
         assert(sd);
 
+        // if we don't know the aggregate's size, we don't know enough about it
+        // to provide debug info. probably a forward-declared struct?
+        if (sd->sizeok == 0)
+            return NULL;
+
         IrStruct* ir = sd->ir.irStruct;
         assert(ir);
         if (ir->dwarfComposite)