skip a few extra allocs

1 files changed, 6 insertions, 0 deletions

diff --git a/src/ast.c b/src/ast.c
index daf393e..5ba8000 100644
--- a/src/ast.c
+++ b/src/ast.c
@@ -422,9 +422,15 @@ struct ast *clone_ast(struct ast *n)
 	if (n->a0)
 		new->a0 = clone_ast_list(n->a0);
 
+	/* don't clone defers */
+	if (!(n->k == AST_BLOCK))
 	if (n->a1)
 		new->a1 = clone_ast_list(n->a1);
 
+	/* don't clone expanded body, just the raw one */
+	if (!(n->k == AST_TRAIT_DEF
+	    || n->k == AST_STRUCT_DEF
+	    || n->k == AST_STRUCT_CONT_DEF))
 	if (n->a2)
 		new->a2 = clone_ast_list(n->a2);