Fix UBSAN error #18

	name: Update Test262

	on:
	push:
	branches:
	- master
	- wpedantic-compat

	jobs:
	update-test262:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout code
	uses: actions/checkout@v2

	- name: Clone test262 repo
	run: git clone https://github.com/tc39/test262.git test262

	- name: Run make test2-update
	run: make test2-update

	- name: Check for changes in test262_errors.txt
	if: ${{ github.ref }} == 'refs/heads/wpedantic-compat'
	run: \|
	git diff --quiet

	- name: Commit any changes in test262_errors.txt
	if: ${{ github.ref }} == 'refs/heads/master'
	run: \|
	git config --global user.name 'GitHub Actions'
	git config --global user.email '[email protected]'
	git diff --quiet \|\| (git add test262_errors.txt && git commit -m "Updated test262_errors.txt")
	git push

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