diff --git a/ast.c b/ast.c
index 2f218e3..f10dbb2 100644
--- a/ast.c
+++ b/ast.c
@@ -312,7 +312,9 @@ ast_value* ast_value_new(lex_ctx ctx, const char *name, int t)
     self->uses    = 0;
     memset(&self->constval, 0, sizeof(self->constval));
 
-    self->ir_v    = NULL;
+    self->ir_v           = NULL;
+    self->ir_values      = NULL;
+    self->ir_value_count = 0;
 
     return self;
 }
diff --git a/ast.h b/ast.h
index 76f2c26..1d9efb3 100644
--- a/ast.h
+++ b/ast.h
@@ -162,6 +162,8 @@ struct ast_value_s
     size_t uses;
 
     ir_value *ir_v;
+    ir_value **ir_values;
+    size_t   ir_value_count;
 };
 
 ast_value* ast_value_new(lex_ctx ctx, const char *name, int qctype);