Bump cppfront from `4a24618` to `4f399a7` #338

	name: CI
	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true
	on:
	push:
	branches: [ main ]
	pull_request:
	jobs:
	test-linux:
	name: Test Linux ${{ matrix.CC }}
	runs-on: ubuntu-24.04
	strategy:
	fail-fast: false
	matrix:
	include:
	# Clang 18.1.3 or later works
	- CC: clang-18
	CXX: clang++-18
	CXXFLAGS: -stdlib=libc++
	- CC: gcc-14
	CXX: g++-14
	steps:
	- uses: actions/checkout@v4
	with:
	submodules: true

	- name: Install build dependencies
	run: sudo apt-get install ninja-build libc++-18-dev libc++abi-18-dev

	- name: Run test script
	timeout-minutes: 30
	run: ./test-all.sh
	env:
	CC: ${{ matrix.CC }}
	CXX: ${{ matrix.CXX }}
	CXXFLAGS: ${{ matrix.CXXFLAGS }}
	test-windows:
	name: Test Windows
	runs-on: windows-2022
	steps:
	- uses: actions/checkout@v4
	with:
	submodules: true

	- name: Run test script
	timeout-minutes: 30
	run: ./test-all.ps1
	test-macos:
	name: Test macOS
	runs-on: macos-14
	env:
	CC: /opt/homebrew/opt/llvm@18/bin/clang
	CXX: /opt/homebrew/opt/llvm@18/bin/clang++
	steps:
	- uses: actions/checkout@v4
	with:
	submodules: true

	- name: Install build dependencies
	run: brew install ninja llvm@18

	- name: Run test script
	timeout-minutes: 30
	run: ./test-all.sh

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