Fix ct binding for cuf/cufa functions

It was checking against the wrong AST kind, so the binding was
never actually done.

Fix detection of write to built-in function for references

Test use of string names with \ prefix

And drop piece of dead code

Add zend_add_literal_string

And simplify additional of special literals based on it.

Drop dead code

Use zval_ptr_dtor_nogc() to free IS_TMP_VAR operands.
Removed ZEND_SWITCH_FREE opcode (ZEND_FREE used instead).

Test a few more error conditions in the compiler

Test error conditions for ct class const refs

And fix a bug found while doing so...

Fix list() destructuring to special variables

Fix two memory errors by interning earlier

Fixed bug #67633

native tls initial patch

Simplify foreach flags

* FE_RESET_VARIABLE and FE_RESET_REFERENCE were always set
together.
* In some places the code checked FE_FETCH_BYREF instead of
FE_RESET_REFERENCE

Simplify foreach flags

* FE_RESET_VARIABLE and FE_RESET_REFERENCE were always set
together.
* In some places the code checked FE_FETCH_BYREF instead of
FE_RESET_REFERENCE and relied on them having the same value.
* Now the FE_RESET_* flags are dropped and everything uses
FE_FETCH_BYREF

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Avoid strlen usage

Remove superfluous Z_REFCOUNTED_P check

The string is never interned and IS_CONSTANT_EX is always refcounted.

Split inheritance into separate file

This moves handling of inheritance and interface implementation
from zend_compile.c into a separate zend_inheritance.c file, as
this is not reall

Split inheritance into separate file

This moves handling of inheritance and interface implementation
from zend_compile.c into a separate zend_inheritance.c file, as
this is not really related to compilation.

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Avoid double IS_INTERNED() check

Reverted incorrect chunk

Fixed useless or duplicated IS_INTERNED() checks

Use runtime-cache to avoid hash lookups in BIND_GLOBAL instruction

Initial coalesce operator implementation

Switch (un)mangle property name to size_t and zend_string

Also use the _ex variants where possible.

Drop superfluous opline for non-cv variables

Drop dead assignments

Removed ZEND_QM_ASSIGN_VAR and ZEND_JMP_SET_VAR opcodes (in PHPNG they did exacly the same as ZEND_QM_ASSIGN and ZEND_JMP_SET)