Re-enable tracing JIT for PHP 8.4 PGO #36
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PGO is about optimizing production builds, and it is recommendable to use tracing JIT in such environments. While JIT has been disabled years ago because of many crashing requests[1], the situation may have changed in the meantime. We also address that enabling JIT has changed as of PHP 8.4.0[2]. [1] <php@e88df96> [2] <https://wiki.php.net/rfc/jit_config_defaults>
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PGO is about optimizing production builds, and it is recommendable to use tracing JIT in such environments. While JIT has been disabled years ago because of many crashing requests[1], the situation may have changed in the meantime.
We also address that enabling JIT has changed as of PHP 8.4.0[2].
[1] e88df96
[2] https://wiki.php.net/rfc/jit_config_defaults
I haven't really tested this yet, but leaving it here to not forget about it.