Miri

Merge branch 'main' of github.com:Qiskit/qiskit into oxidize-dag-node #3

	name: Miri
	on:
	push:
	pull_request:
	concurrency:
	group: ${{ github.repository }}-${{ github.ref }}-${{ github.head_ref }}-${{ github.workflow }}
	# Only cancel in PR mode. In push mode, don't cancel so we don't see spurious test "failures",
	# and we get coverage reports on Coveralls for every push.
	cancel-in-progress: ${{ github.event_name == 'pull_request' }}

	jobs:
	miri:
	if: github.repository_owner == 'Qiskit'
	name: Miri
	runs-on: ubuntu-latest
	env:
	RUSTUP_TOOLCHAIN: nightly

	steps:
	- uses: actions/checkout@v4

	- name: Install Rust toolchain
	uses: dtolnay/rust-toolchain@nightly
	with:
	components: miri

	- name: Prepare Miri
	run: \|
	set -e
	# Some of our dependencies aren't Miri-safe with their current release versions. These
	# need overriding with known-good versions to run against until the Miri-safe versions are
	# released and updated in our Cargo.lock.
	cat >>Cargo.toml <<EOF

	[patch.crates-io]
	crossbeam-epoch = { git = "https://github.com/crossbeam-rs/crossbeam", rev = "9e859610" }
	EOF
	cargo miri setup

	- name: Run Miri
	run: cargo miri test
	env:
	# - `tree-borrows` is required for crossbeam components.
	# - `symbolic-alignment-check` is extra checking.
	# - `strict-provenance` is extra checking.
	MIRIFLAGS: '-Zmiri-tree-borrows -Zmiri-symbolic-alignment-check -Zmiri-strict-provenance'

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