llvm(phis): 静的Box self 先頭規約を phi に段階導入し、自己検証スモークを追加\n\n- lang/src/llvm_ir/instructions/phi.hako: lower_* 群に self を追加（呼び出し側はインスタンス経由で互換）\n- smokes: quick/core/phi/self_param_phi_vm.sh で JSON 生成を確認

tools/smokes/v2/profiles/quick/core/phi/self_param_phi_vm.sh

@@ -0,0 +1,29 @@
+#!/bin/bash
+# Verify LLVMPhiInstructionBox.lower_phi requires self (implicit receiver) and returns JSON
+
+source "$(dirname "$0")/../../../lib/test_runner.sh"
+source "$(dirname "$0")/../../../lib/result_checker.sh"
+
+require_env || exit 2
+preflight_plugins || exit 2
+
+test_self_param_phi() {
+  local src='
+using "lang/src/llvm_ir/instructions/phi.hako" as PhiInst
+box Main {
+  static method main() {
+    local incoming = new ArrayBox()
+    local item = new MapBox(); item.set("value", 1); item.set("block", 0); incoming.push(item)
+    local phi = new PhiInst.LLVMPhiInstructionBox().lower_phi(5, incoming)
+    # 判定: 生成文字列に op":"phi が含まれるか（最小）
+    if phi.contains("\"op\":\"phi\"") { print(1) } else { print(0) }
+  }
+}
+'
+  local out
+  out=$(run_nyash_vm -c "$src" 2>&1)
+  check_exact "1" "$out" "self_param_phi"
+}
+
+run_test "self_param_phi" test_self_param_phi
+