2 files changed, 13 insertions, 4 deletions
diff --git a/sources/scalac/symtab/classfile/CLRPackageParser.java b/sources/scalac/symtab/classfile/CLRPackageParser.java
index 6375bb17a4..d97ab203a9 100644
--- a/sources/scalac/symtab/classfile/CLRPackageParser.java
+++ b/sources/scalac/symtab/classfile/CLRPackageParser.java
@@ -115,7 +115,9 @@ public final class CLRPackageParser extends PackageParser {
                     (clrTypes.SCALA_SYMTAB_ATTR, false);
                 assert attrs.length == 1 : attrs.length;
                 Attribute a = (Attribute)attrs[0];
-               assert a.GetType() == clrTypes.SCALA_SYMTAB_ATTR : a.toString();
+                assert a.GetType() == clrTypes.SCALA_SYMTAB_ATTR : a.toString();
+                if (a.getConstructor() == clrTypes.SYMTAB_DEFAULT_CONSTR)
+                    continue;
                 byte[] symtab = (byte[])a.getConstructorArguments()[0];
                 symfile = new ByteArrayFile
                     (type.FullName, "[" + type.Assembly().GetName() + "]",
diff --git a/sources/scalac/symtab/classfile/CLRTypes.java b/sources/scalac/symtab/classfile/CLRTypes.java
index 945261ab47..c510323492 100644
--- a/sources/scalac/symtab/classfile/CLRTypes.java
+++ b/sources/scalac/symtab/classfile/CLRTypes.java
@@ -70,10 +70,12 @@ public final class CLRTypes {
     public final Type STRING;
     public final Type STRING_ARRAY;
 
-    public final Type SCALA_SYMTAB_ATTR;
-
     public final Type PICO_META_ATTR;
 
+    public final Type SCALA_SYMTAB_ATTR;
+    public final ConstructorInfo SYMTAB_CONSTR;
+    public final ConstructorInfo SYMTAB_DEFAULT_CONSTR;
+
     private final SymbolNameWriter snw = new SymbolNameWriter();
 
     private Type[] types;
@@ -110,10 +112,15 @@ public final class CLRTypes {
 	STRING = getType("System.String");
 	STRING_ARRAY = getType("System.String[]");
 
-	SCALA_SYMTAB_ATTR = Type.GetType("scala.runtime.SymtabAttribute");
         PICO_META_ATTR = Type.GetType("scala.runtime.MetaAttribute");
+	SCALA_SYMTAB_ATTR = Type.GetType("scala.runtime.SymtabAttribute");
+        final Type[] bytearray = new Type[]{ Type.GetType("System.Byte[]") };
+	SYMTAB_CONSTR = SCALA_SYMTAB_ATTR.GetConstructor(bytearray);
+        SYMTAB_DEFAULT_CONSTR =
+            SCALA_SYMTAB_ATTR.GetConstructor(Type.EmptyTypes);
 
         assert PICO_META_ATTR != null;
+        assert SCALA_SYMTAB_ATTR != null;
 
 	Type[] types = Type.EmptyTypes;
 	Iterator as = assemblies.iterator();