Move stack overflow checks out of the loops

Fixed memory leak in Zend/tests/bug78999.phpt

Fixed support for typed references

Fixed register allocation

Fixed incorrect register allocation in ext/gd/tests/imagecopyresampled_variation1.phpt

Fixed register allocation

Missed warning

Eliminate useless mov(s)

Eliminate dead type store

Improve JIT for fetching character form string

Improve register allocator (register reuse)

Avoid partial register stall

Use zero-extended mov insted of sign-signed movsxd

Avoid refcounting when return CV (similar to optimization in VM).

Added missing side exit

Keep the same JIT code for PHP-8.0 and master (workaround against PHP-8.0 ABI freeze)

Eliminate more dead type stores

Revert "Change calling convention of zval_update_constant[_ex]() to fastcall."

This reverts commit 5a447b086bba450d61c283adfecbdec657cc5f34.

Revert this ABI break from PHP-8.0, leav

Revert "Change calling convention of zval_update_constant[_ex]() to fastcall."

This reverts commit 5a447b086bba450d61c283adfecbdec657cc5f34.

Revert this ABI break from PHP-8.0, leaving it only on master.

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Eliminate dead type stores

Change calling convention of zval_update_constant[_ex]() to fastcall.

Pass arguments to cdecl functions through preallocated stack slots

Eliminate check

Optimize out double memory load

Use range inference to eliminate useless comparisons

Copy optimization for (BINARY_OP/ACCIGN + SEND_VAL)