Remove JMPZNZ opcode

While JMPZNZ can avoid execution of a separate JMP opcode in some
cases, it also prevents smart branch optimization, so creating
JMPZNZ may actually have a negat

Remove JMPZNZ opcode

While JMPZNZ can avoid execution of a separate JMP opcode in some
cases, it also prevents smart branch optimization, so creating
JMPZNZ may actually have a negative effect. It also adds additional
complexity for optimizations.

Drop JMPZNZ in favor of JMPZ+JMP or JMPNZ+JMP.

Closes GH-7857.

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Merge branch 'PHP-8.1'

* PHP-8.1:
Fix type inference

Merge branch 'PHP-8.0' into PHP-8.1

* PHP-8.0:
Fix type inference

Merge branch 'PHP-8.1'

* PHP-8.1:
Added test
Fix type inference for assign to string offset with invalid index.

Merge branch 'PHP-8.0' into PHP-8.1

* PHP-8.0:
Fix type inference for assign to string offset with invalid index.

Merge branch 'PHP-8.1'

* PHP-8.1:
Fix reference contig inference

Merge branch 'PHP-8.0' into PHP-8.1

* PHP-8.0:
Fix reference contig inference

Fixed assertion when check "instanceof" on unlinked class

Reuse get_class_entry_from_op1() helper

Export and reuse this helper in places that fetch a class entry
from op1.

Sink op_array scope case into get_class_entry()

This handles references to the current class through its name
rather than self (and for cases where is is not linked yet and
thus not

Sink op_array scope case into get_class_entry()

This handles references to the current class through its name
rather than self (and for cases where is is not linked yet and
thus not covered by the context lookup). Rather than handling this
only for FETCH_CLASS_CONSTANT optimization, integrate this into
the generic get_class_entry() utility.

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Merge branch 'PHP-8.1'

* PHP-8.1:
Fix type inference for INIT_ARRAY with invalid index

Merge branch 'PHP-8.0' into PHP-8.1

* PHP-8.0:
Fix type inference for INIT_ARRAY with invalid index

Merge branch 'PHP-8.1'

* PHP-8.1:
Remove range inference for booleans.

Merge branch 'PHP-8.0' into PHP-8.1

* PHP-8.0:
Remove range inference for booleans.

Merge branch 'PHP-8.1'

* PHP-8.1:
Fix refcount inferemce ($a += $a returns old array with RCN)

Merge branch 'PHP-8.0' into PHP-8.1

* PHP-8.0:
Fix refcount inferemce ($a += $a returns old array with RCN)

Merge branch 'PHP-8.1'

* PHP-8.1:
JIT: Fix incorrect reference counting inference

Merge branch 'PHP-8.0' into PHP-8.1

* PHP-8.0:
JIT: Fix incorrect reference counting inference

Merge branch 'PHP-8.1'

* PHP-8.1:
Fixed type inference (it's safe to ignore reference counting narrowing)

Merge branch 'PHP-8.0' into PHP-8.1

* PHP-8.0:
Fixed type inference (it's safe to ignore reference counting narrowing)

Merge branch 'PHP-8.1'

* PHP-8.1:
JIT: Fix exception handling when next array element is already occupied

Merge branch 'PHP-8.0' into PHP-8.1

* PHP-8.0:
JIT: Fix exception handling when next array element is already occupied

Merge branch 'PHP-8.1'

* PHP-8.1:
Disable type narrowing optimization when we contruct SSA for JIT

Merge branch 'PHP-8.0' into PHP-8.1

* PHP-8.0:
Disable type narrowing optimization when we contruct SSA for JIT

Deprecate implicit dynamic properties

Writing to a proprety that hasn't been declared is deprecated,
unless the class uses the #[AllowDynamicProperties] attribute or
defines __get()/

Deprecate implicit dynamic properties

Writing to a proprety that hasn't been declared is deprecated,
unless the class uses the #[AllowDynamicProperties] attribute or
defines __get()/__set().

RFC: https://wiki.php.net/rfc/deprecate_dynamic_properties

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