Removed "dead" code

Moved "zval.u2.cache_slot" into free room of "zend_op"

Avoid repeatable ARG_SHOULD_BE_SENT_BY_REF() checks in FETCH_*FUNC_ARG and following SEND_VAR_EX. Perform the check once in a new CHECK_FUNC_ARG opcode and reuse in the following FETCH_*FUNC_ARG and

Avoid repeatable ARG_SHOULD_BE_SENT_BY_REF() checks in FETCH_*FUNC_ARG and following SEND_VAR_EX. Perform the check once in a new CHECK_FUNC_ARG opcode and reuse in the following FETCH_*FUNC_ARG and SEND_FUNC_ARG (SEND_VAR_EX replacement).

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Avoid another unused opline warning

The unconditional opline load here used to be necessary for freeing
the return value in case of exception. However, this is no longer
the case, so

Avoid another unused opline warning

The unconditional opline load here used to be necessary for freeing
the return value in case of exception. However, this is no longer
the case, so using LOAD_OPLINE() should be sufficient now.

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Avoid VM warning if building without global regs

Changed CATCH instruction format (extended_value moved into op2, op2 into result, result into extended_value)

Changed FETCH_CONSTANT instruction format (extended_value moved into op1)

Changed FETCH_CLASS instruction format (extended_value moved into op1)

Compress handlers table

Avoid redundand mask extraction

Avoid redundand mask extraction

Make IS_UNUSED to be zero.

Change FETCH/ISSET instruction modifiers:
- Get rid of ZEND_ISEMPTY and ZEND_ISSET_ISEMPTY_MASK. Use just single ZEND_ISSET bit to make distinct between isset() and empty()
- Use ZEND_FETCH_G

Change FETCH/ISSET instruction modifiers:
- Get rid of ZEND_ISEMPTY and ZEND_ISSET_ISEMPTY_MASK. Use just single ZEND_ISSET bit to make distinct between isset() and empty()
- Use ZEND_FETCH_GLOBAL, ZEND_FETCH_LOCAL and ZEND_FETCH_GLOBAL_LOCK as bitmask
- Removed unused ZEND_FETCH_STANDARD
- Extended ZEND_FETCH_ARG_MASK

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Access extra data stored in zval through macros

Send by reference without duplication

More effecient array duplication

Avoid EG(vm_interrupt) check on forward JMP

Use fastcall calling convention

Use ZEND_CLOSURE_OBJECT() macro to resolve closure op_array to closure object through address calculation, instead of op_array->prototype reuse. (reapply 781e1573afdc7c336b3577ceabc9c65cafea17e8, now

Use ZEND_CLOSURE_OBJECT() macro to resolve closure op_array to closure object through address calculation, instead of op_array->prototype reuse. (reapply 781e1573afdc7c336b3577ceabc9c65cafea17e8, now it should be OK).

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Revert "Use ZEND_CLOSURE_OBJECT() macro to resolve closure op_array to closure object through address calculation, instead of op_array->prototype reuse." (this patch is incomplete or wrong)

Revert "Use ZEND_CLOSURE_OBJECT() macro to resolve closure op_array to closure object through address calculation, instead of op_array->prototype reuse." (this patch is incomplete or wrong)

This reverts commit 781e1573afdc7c336b3577ceabc9c65cafea17e8.

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Use ZEND_CLOSURE_OBJECT() macro to resolve closure op_array to closure object through address calculation, instead of op_array->prototype reuse.

Mark FETCH_OBJ_R and INIT_METHOD_CALL as HOT_OBJ for (UNUSED+CONST and CV+CONST)

Fixed whitespaces

Fixed bug #75786

SEND_UNPACK on iterators was duplicating references in-place,
which effectively leaks the original value and causes an off-by-one
refcount on the duplicated value.

Fixed bug #75786

SEND_UNPACK on iterators was duplicating references in-place,
which effectively leaks the original value and causes an off-by-one
refcount on the duplicated value.

Replace this with a deref, as an actual duplication is not even
needed in this case.

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