Mark some phar tests as flaky on macOS

Fixes GH-15748
Closes GH-15876

Retry tests on deadlock

Closes GH-12693

Automatically mark tests as flaky

Marking all of these tests as flaky is annoying, so attempt to recognize them
automatically.

Closes GH-12638

Merge branch 'PHP-8.1' into PHP-8.2

* PHP-8.1:
Increase run-tests.php timeout for asan

Increase run-tests.php timeout for asan

Closes GH-12087

Merge branch 'PHP-8.1' into PHP-8.2

* PHP-8.1:
Make unrepeatable tests retriable

Make unrepeatable tests retriable

This was an error in thinking on my side. The reason these tests are
unrepeatable is because --repeat executes the same request in the same process,

Make unrepeatable tests retriable

This was an error in thinking on my side. The reason these tests are
unrepeatable is because --repeat executes the same request in the same process,
and does not run the CLEAN section in between runs. This is not the case when
retrying tests.

We could potentially make CLEAN tests repeatable by including the CLEAN section
in the tested script. This does however not work for all tests (e.g. tests that
set open_basedir).

Closes GH-12072

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Merge branch 'PHP-8.1' into PHP-8.2

* PHP-8.1:
Implement flaky test section

Implement flaky test section

This re-uses the already used for automatic retesting. That's certainly better
than XFAIL.

Closes GH-11325

Merge branch 'PHP-8.1' into PHP-8.2

* PHP-8.1:
[skip ci] Add more patterns to run-tests.php retry list

[skip ci] Add more patterns to run-tests.php retry list

CURL: 404: Page Not Found
IMAP: Can't create a temporary mailbox: [ALREADYEXISTS] Mailbox already exists
Sockets: socket_bind(

[skip ci] Add more patterns to run-tests.php retry list

CURL: 404: Page Not Found
IMAP: Can't create a temporary mailbox: [ALREADYEXISTS] Mailbox already exists
Sockets: socket_bind(): Unable to bind address [98]: Address already in use

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Merge branch 'PHP-8.1' into PHP-8.2

* PHP-8.1:
Add retry mechanism in run-tests.php

Add retry mechanism in run-tests.php

We have lots of spurious failures in CI, many of them with the "all" CONFLICT.
We're limiting the retrying to specific error messages. In the future

Add retry mechanism in run-tests.php

We have lots of spurious failures in CI, many of them with the "all" CONFLICT.
We're limiting the retrying to specific error messages. In the future we may
also provide a FLAKY section to retry specific tests.

Closes GH-10892

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Merge branch 'PHP-8.1' into PHP-8.2

* PHP-8.1:
Another attempt to fix MSAN nightly on master

Another attempt to fix MSAN nightly on master

Merge branch 'PHP-8.1' into PHP-8.2

* PHP-8.1:
use_tls=0 on MSAN

use_tls=0 on MSAN

Attempt to fix MSAN failure in CI

Closes GH-10851

[skip ci] Fix diff cmd env name in run-tests.php

Merge branch 'PHP-8.1' into PHP-8.2

* PHP-8.1:
Fix run-tests.php hanging when a worker process dies without notice (#9931)

Fix run-tests.php hanging when a worker process dies without notice (#9931)

run-tests.php with `-jN` can hang if a parallel worker dies without notice. This
can happen due to fatal error

Fix run-tests.php hanging when a worker process dies without notice (#9931)

run-tests.php with `-jN` can hang if a parallel worker dies without notice. This
can happen due to fatal errors in the worker, or if the worker is killed.

- run-tests.php (main process)
\_ run-tests.php (worker #0) // main process hangs if this one crashes
\_ test-001.php (test-001.phpt)

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Merge branch 'PHP-8.1' into PHP-8.2

* PHP-8.1:
Migrate i386 to GitHub actions

Merge branch 'PHP-8.0' into PHP-8.1

* PHP-8.0:
Migrate i386 to GitHub actions

Migrate i386 to GitHub actions

Closes GH-9856

Use external diff tool if TEST_PHP_DIFF_CMD env var is set

Fix run-tests.php --no-progress flag for non-parallel testing