Index: src/Validate/Autogen.cpp
===================================================================
--- src/Validate/Autogen.cpp	(revision 39d89504881cd88008aec5648412e27d45b19c6e)
+++ src/Validate/Autogen.cpp	(revision a18373a8424aa23e7dff7a54bab1f9aff9f85c55)
@@ -248,5 +248,5 @@
 		structInst.params.push_back( new ast::TypeExpr(
 			typeDecl->location,
-			new ast::TypeInstType( typeDecl->name, typeDecl )
+			new ast::TypeInstType( typeDecl )
 		) );
 	}
@@ -264,5 +264,5 @@
 		unionInst.params.push_back( new ast::TypeExpr(
 			unionDecl->location,
-			new ast::TypeInstType( typeDecl->name, typeDecl )
+			new ast::TypeInstType( typeDecl )
 		) );
 	}
Index: src/Validate/ForallPointerDecay.cpp
===================================================================
--- src/Validate/ForallPointerDecay.cpp	(revision 39d89504881cd88008aec5648412e27d45b19c6e)
+++ src/Validate/ForallPointerDecay.cpp	(revision a18373a8424aa23e7dff7a54bab1f9aff9f85c55)
@@ -41,5 +41,5 @@
 	for ( auto & type_param : decl->type_params ) {
 		type->forall.emplace_back(
-			new ast::TypeInstType( type_param->name, type_param ) );
+			new ast::TypeInstType( type_param ) );
 	}
 	for ( auto & assertion : decl->assertions ) {