JIT: Fix `emitter::emitSplit` to not create zero-sized method fragment #1535

	name: Format jit codebase

	on:
	pull_request:
	paths:
	- '.github/workflows/jit-format.yml'
	- 'src/coreclr/jit/**'
	branches: [ main ]

	jobs:
	format:
	strategy:
	fail-fast: false
	matrix:
	os:
	- name: linux
	image: ubuntu-latest
	container: mcr.microsoft.com/dotnet-buildtools/prereqs:azurelinux-3.0-net9.0-cross-amd64
	extension: '.sh'
	cross: '--cross'
	rootfs: '/crossrootfs/x64'
	- name: windows
	image: windows-latest
	extension: '.cmd'
	cross: ''
	rootfs: ''
	runs-on: ${{ matrix.os.image }}
	container: ${{ matrix.os.container }}
	name: Format jit codebase ${{ matrix.os.name }}
	steps:
	- name: Checkout jitutils
	uses: actions/checkout@v4
	with:
	path: jitutils
	repository: dotnet/jitutils
	ref: main
	token: ${{ secrets.GITHUB_TOKEN }}
	- name: Install .NET
	uses: actions/setup-dotnet@v4
	with:
	dotnet-version: '8.0.x'
	- name: Build jitutils
	run: \|
	./bootstrap${{ matrix.os.extension }}
	working-directory: jitutils
	- name: Checkout runtime
	uses: actions/checkout@v4
	with:
	path: runtime
	- name: Install Python
	uses: actions/setup-python@v5

	- name: Run jitformat.py
	run: \|
	python3 runtime/src/coreclr/scripts/jitformat.py --jitutils jitutils -r runtime -o ${{ matrix.os.name }} -a x64 ${{ matrix.os.cross }}
	env:
	ROOTFS_DIR: ${{ matrix.os.rootfs }}

	- name: Publish format.patch
	uses: actions/upload-artifact@v4
	with:
	path: runtime/format.patch
	name: format.${{matrix.os.name}}.patch
	if: failure()

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