Index: dwarf2read.c
===================================================================
RCS file: /cvs/src/src/gdb/dwarf2read.c,v
retrieving revision 1.266
diff -u -p -r1.266 dwarf2read.c
--- dwarf2read.c	26 Jun 2008 19:08:10 -0000	1.266
+++ dwarf2read.c	26 Jun 2008 19:25:09 -0000
@@ -6244,7 +6244,13 @@ read_attribute_value (struct attribute *
   if (attr->name == DW_AT_byte_size
       && form == DW_FORM_data4
       && DW_UNSND (attr) >= 0xffffffff)
-    DW_UNSND (attr) = 0;
+    {
+      complaint
+        (&symfile_complaints,
+         _("Suspicious DW_AT_byte_size value treated as zero instead of %lx"),
+         DW_UNSND (attr));
+      DW_UNSND (attr) = 0;
+    }
 
   return info_ptr;
 }