Index: src/AST/Type.hpp
===================================================================
--- src/AST/Type.hpp	(revision 75226925ba8d48fa7f4541bc0bc34721f53624dc)
+++ src/AST/Type.hpp	(revision c9f6983f4e20819aa6b06e54ea73762b9db70395)
@@ -398,6 +398,6 @@
 	// a zero value of formal_usage indicates an actual type (referenced inside body of parametric structs and functions)
 	TypeDecl::Kind kind;
-	int formal_usage;
-	int expr_id;
+	int formal_usage = 0;
+	int expr_id = 0;
 
 	// compact representation used for map lookups.