We don't need "safe" destruction anymore

Move undefined constant error into get_constant_ex

All the other error conditions are already handled in there, so
this one should be as well.

Merge branch 'PHP-7.4'

* PHP-7.4:
Export zend_init_func_run_time_cache()

Export zend_init_func_run_time_cache()

JIT: Handle typed refs in assign dim

Pass cache slot when printing type errors

Instead of using a separate ce.

Change representation of zend_type from type code to MAY_BE_* mask

This switches zend_type from storing a single IS_* type code to
storing a MAY_BE_* type mask. Right now most code still

Change representation of zend_type from type code to MAY_BE_* mask

This switches zend_type from storing a single IS_* type code to
storing a MAY_BE_* type mask. Right now most code still assumes
that there is only a single type in the mask (or two together
with MAY_BE_NULL). But this will make it a lot simpler to introduce
union types.

An additional advantage (and why I'm doing this separately), is
that a number of special cases no longer need to be handled
separately: We can do a single mask & (1 << type) check to handle
all simple types, booleans (true|false) and null.

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Simplify TMP/VAR operand releasing

Merge branch 'PHP-7.4'

* PHP-7.4:
Cleanup

Cleanup

Don't verify arginfo types for internal functions

To avoid duplicate type checks. In debug builds arginfo is still
checked and will generate an assertions if the function doesn't
sub

Don't verify arginfo types for internal functions

To avoid duplicate type checks. In debug builds arginfo is still
checked and will generate an assertions if the function doesn't
subsequently throw an exception.

Some test results change due to differences in zpp and arginfo
error messages.

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Constify some char* arguments or return values of ZEND_API

Closes GH-4247.

Merge branch 'PHP-7.4'

* PHP-7.4:
zend_assign_to_variable() optimization

zend_assign_to_variable() optimization

Merge branch 'PHP-7.4'

* PHP-7.4:
Mark "cold" functions

Mark "cold" functions

Remove set() object handler

zend_do_fcall_overloaded() doesn't have to be exported

Merge branch 'PHP-7.4'

Accept flags argument in zend_lookup_class_ex()

Instead of a single boolean, so we have space for extension here.

Merge branch 'PHP-7.4'

* PHP-7.4:
Removed ability to compile PHP without EX(run_time_cache). ZEND_EX_USE_RUN_TIME_CACHE was always defined.

Removed ability to compile PHP without EX(run_time_cache). ZEND_EX_USE_RUN_TIME_CACHE was always defined.

Backported call frame initialization improvement

Simplify call frame initialization

Merge branch 'PHP-7.4'

* PHP-7.4:
Eliminated check for assignment to itself