diff -uNr dmd-0.158/dmd/src/dmd/attrib.c dmd-0.159/dmd/src/dmd/attrib.c
--- dmd-0.158/dmd/src/dmd/attrib.c	2006-05-24 20:05:14.000000000 +0200
+++ dmd-0.159/dmd/src/dmd/attrib.c	2006-05-26 00:40:48.000000000 +0200
@@ -540,6 +540,7 @@
     this->loc = loc;
     this->isunion = isunion;
     this->scope = NULL;
+    this->sem = 0;
 }
 
 Dsymbol *AnonDeclaration::syntaxCopy(Dsymbol *s)
@@ -615,7 +616,10 @@
 	    scope->module->addDeferredSemantic(this);
 	    return;
 	}
-	Module::dprogress++;
+	if (sem == 0)
+	{   Module::dprogress++;
+	    sem = 1;
+	}
 
 	// 0 sized structs are set to 1 byte
 	if (aad.structsize == 0)
diff -uNr dmd-0.158/dmd/src/dmd/attrib.h dmd-0.159/dmd/src/dmd/attrib.h
--- dmd-0.158/dmd/src/dmd/attrib.h	2006-05-13 00:02:06.000000000 +0200
+++ dmd-0.159/dmd/src/dmd/attrib.h	2006-05-26 00:40:58.000000000 +0200
@@ -98,6 +98,7 @@
 {
     int isunion;
     Scope *scope;		// !=NULL means context to use
+    int sem;			// 1 if successful semantic()
 
     AnonDeclaration(Loc loc, int isunion, Array *decl);
     Dsymbol *syntaxCopy(Dsymbol *s);
diff -uNr dmd-0.158/dmd/src/dmd/mars.c dmd-0.159/dmd/src/dmd/mars.c
--- dmd-0.158/dmd/src/dmd/mars.c	2006-05-12 10:55:34.000000000 +0200
+++ dmd-0.159/dmd/src/dmd/mars.c	2006-05-25 13:06:14.000000000 +0200
@@ -58,7 +58,7 @@
 
     copyright = "Copyright (c) 1999-2006 by Digital Mars";
     written = "written by Walter Bright";
-    version = "v0.158";
+    version = "v0.159";
     global.structalign = 8;
 
     memset(&params, 0, sizeof(Param));
diff -uNr dmd-0.158/dmd/src/dmd/module.c dmd-0.159/dmd/src/dmd/module.c
--- dmd-0.158/dmd/src/dmd/module.c	2006-05-11 01:48:30.000000000 +0200
+++ dmd-0.159/dmd/src/dmd/module.c	2006-05-26 00:41:42.000000000 +0200
@@ -844,6 +844,7 @@
 
 	    s->semantic(NULL);
 	}
+	//printf("\tdeferred.dim = %d, len = %d, dprogress = %d\n", deferred.dim, len, dprogress);
     } while (deferred.dim < len || dprogress);	// while making progress
     nested--;
     //printf("-Module::runDeferredSemantic('%s'), len = %d\n", toChars(), deferred.dim);
diff -uNr dmd-0.158/dmd/src/dmd/struct.c dmd-0.159/dmd/src/dmd/struct.c
--- dmd-0.158/dmd/src/dmd/struct.c	2006-05-13 00:07:24.000000000 +0200
+++ dmd-0.159/dmd/src/dmd/struct.c	2006-05-26 00:42:22.000000000 +0200
@@ -219,6 +219,9 @@
     Scope *sc2;
 
     //printf("+StructDeclaration::semantic(this=%p, '%s')\n", this, toChars());
+
+    //static int count; if (++count == 20) *(char*)0=0;
+
     assert(type);
     if (!members)			// if forward reference
 	return;
@@ -271,7 +274,9 @@
 	if (isUnionDeclaration())
 	    sc2->offset = 0;
 	if (sizeok == 2)
+	{   //printf("forward reference\n");
 	    break;
+	}
     }
 
     /* The TypeInfo_Struct is expecting an opEquals and opCmp with