From 82c99e92032b8101443671604de7137ba7257cd0 Mon Sep 17 00:00:00 2001
From: nsfisis <nsfisis@gmail.com>
Date: Mon, 21 Jul 2025 07:12:03 +0900
Subject: fix: fix dereference of struct members

---
 main.c       |  1 +
 tests/054.sh | 23 +++++++++++++++++++++++
 2 files changed, 24 insertions(+)
 create mode 100644 tests/054.sh

diff --git a/main.c b/main.c
index ef19587..6b0ca3d 100644
--- a/main.c
+++ b/main.c
@@ -942,6 +942,7 @@ AstNode* ast_new_member_access_expr(AstNode* obj, const String* name) {
     AstNode* e = ast_new(AstNodeKind_deref_expr);
     e->node_operand = ast_new_binary_expr(TokenKind_plus, obj, ast_new_int(type_offsetof(obj->ty->to, name)));
     e->ty = type_member_typeof(obj->ty->to, name);
+    e->node_operand->ty = type_new_ptr(e->ty);
     return e;
 }
 
diff --git a/tests/054.sh b/tests/054.sh
new file mode 100644
index 0000000..06252b9
--- /dev/null
+++ b/tests/054.sh
@@ -0,0 +1,23 @@
+set -e
+
+cat <<'EOF' > expected
+0
+1
+EOF
+bash ../../test_diff.sh <<'EOF'
+int printf();
+void* calloc();
+
+struct S {
+    int a;
+    int b;
+};
+
+int main() {
+    struct S* s = calloc(1, sizeof(struct S));
+    s->b = 1;
+    printf("%ld\n", s->a);
+    printf("%ld\n", s->b);
+    return 0;
+}
+EOF
-- 
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