add fallback return path

1 files changed, 4 insertions, 0 deletions

diff --git a/src/lower.c b/src/lower.c
index ee8253a..880fa0b 100644
--- a/src/lower.c
+++ b/src/lower.c
@@ -1135,6 +1135,10 @@ static int lower_proc(struct state *state, struct ast *proc)
 	struct ast *block = proc_body(proc);
 	ret = lower_stmt_list(&new_state, block_body(block), true);
 
+	/* in case nothing else has returned */
+	indent(&new_state);
+	fprintf(new_state.code, "return stack;\n");
+
 	fprintf(new_state.code, "}\n\n");
 	fprintf(new_state.ctx, "};\n\n");