[pull] master from php:master #10
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This ports 247105a to the JIT implementation. The issue doesn't trigger on the original test case with JIT, but I ran into a case that does trigger with JIT once we have typed properties.
* PHP-8.0: Add exception check to zend_jit_fetch_obj_w_slow()
We need to make sure that destructors can't access the partially destroyed property. Do the same we do in HTs. Fixes oss-fuzz #36205.
* PHP-7.4: Undef slot before destroying in unset_property
* PHP-8.0: Undef slot before destroying in unset_property
This was separately discussed in https://externals.io/message/114863, but also necessary for consistency now that https://wiki.php.net/rfc/new_in_initializers has landed. Closes GH-7149.
Use a size_t instead of int because it tracks the size of the string Cast to int to maintain the C stdlib API
If ther IteratorIterator is initialized (which we check), then zobject cannot be undef and the return value cannot be null.
This reverts commit c252420. This (currently) does not hold for invalid AppendIterators, revert for now.
This can only return string|int|null, not any key type.
Adding two `zend_long`s may overflow, and casting `size_t` to `zend_long` may truncate; we can avoid this here by enforcing unsigned arithmetic. Closes GH-7240.
* PHP-7.4: Fix #72146: Integer overflow on substr_replace
* PHP-8.0: Fix #72146: Integer overflow on substr_replace
The code was assuming that the returned value is an object. Reuse the logic from IteratorIterator.
* PHP-8.0: Fix RecursiveIteratorIterator segfault for invalid aggregate
We must make sure that `handler->buffer.size + grow_max` does not overflow, so we're using `safe_erealloc()` instead. Closes GH-7241.
We would previously early exit on the WARNING, and miss the later UNRESOLVED.
* PHP-7.4: Fix #72595: php_output_handler_append illegal write access
This functionality is not used productively in PHP and it's not used in any of the extensions to my knowledge. Since it looks like this functionality isn't required by anyone, let's clean up mysqlnd and drop it.
Instead always use the unlinked_uses table, which is already used if opcache is used. Not much point in having a different mechanism for the non-opcache case.
Dynamically declared classes categorically do not get linked during preloading, even if all their dependencies are known. The warning is misleading in this case, and there isn't anything the user can do to address it.
It is very hard to determine in advance whether class linking will fail due to missing dependencies in variance checks (#7314 attempts this). This patch takes an alternative approach where we try to perform inheritance on a copy of the class (zend_lazy_class_load) and then restore the original class if inheritance fails. The fatal error in that case is recorded and thrown as a warning later. Closes GH-7319.
We don't guarantee any particular order, but this reduces test failures under --preload that are sensitive to class order. Add some ZEND_HASH_FOREACH_*_FROM macros to allow skipping the persistent classes while iterating in forward direction.
These were broken when the deprecation warning was added, as the extra output prevented the session from being started.
Avoid unnecessary output before a deprecation warning.
A genuine problem here is that we sometime get different class casing due interaction with the ZSTR CE cache. Ignore these for now.
Also skip observer tests, as these will observe the additional preload file inserted by the test runner.
Part of the opcache variation job.
We need to remove DECLARE_FUNCTION + dynamic_defs for functions defined in methods as well, not just for those declared in the main script.
Also move PHP_DOUBLE_MAX_LENGTH to ZEND_DOUBLE_MAX_LENGTH.
This used to be necessary in the past because the NUM_BUF_SIZE was set to 512, which is shorter than DOUBLE_MAX_LENGTH. Now the value is either DOUBLE_MAX_LENGTH or larger (2048).
zend_double_to_str() converts a double to string in the way that (string) would (using %.*H using precision). smart_str_append_double() provides some more fine control over the precision, and whether a zero fraction should be appeneded for whole numbers. A caveat here is that raw calls to zend_gcvt and going through s*printf has slightly different behavior for the degenarate precision=0 case. zend_gcvt will add a dummy E+0 in that case, while s*printf convert this to precision=1 and will not. I'm going with the s*printf behavior here, which is more common, but does result in a minor change to the precision.phpt test.
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