AOT: remaining unimplemented lowering rows (#31967)

[PurHur]

Summary

• Fix strtol assignment sites that blocked every AOT compile after php-in-php: drop always-on LibcExtern strtol after NestedJIT module-local (#31971 shape) #31988 (comment-then-discarded-call pattern).
• Lower $obj::method() via runtime class id + ClassConstFetchHelper::emitResolveClassId.
• Resolve interface const Y = self::X at JIT define time (interfaces before compileClass, inherited const walk).
• Defer enum case class constants until after DECLARE_ENUM; flush pending consts with insert-block restore.
• Store boxed arrays into static properties via JitValueBox::assignToPointer fallback.

Closes #31967

php-src reference

• Zend/zend_execute.c — ZEND_INIT_STATIC_METHOD_CALL (variable static call)
• Zend/zend_constants.c — zend_get_class_constant_ex (interface inherited consts)
• Zend/zend_compile.c — enum case in class constant expr
• Static property assign — Zend object handlers / static members

Verification

./script/phpunit.sh --filter Issue31967RemainingAotTest
# PHPUnit 9.6.21 — OK (4 tests, 20 assertions)

./script/docker-exec.sh -- bash -lc '
for f in issue_31967_variable_static_call issue_31967_enum_class_const issue_31967_interface_self_const issue_31967_static_array_store; do
  PHP_COMPILER_HELPER_RUNTIME_O=0 php bin/compile.php -o /tmp/x test/repro/${f}.php && out=$(/tmp/x) && echo "$f: [$out]"
done
'
# issue_31967_variable_static_call: [U]
# issue_31967_enum_class_const: [h]
# issue_31967_interface_self_const: [20]
# issue_31967_static_array_store: [1]

Not covered: full ./script/ci-local.sh, differential sweep (no call/operand lowering shape change beyond the four rows), ClassConstEnumCaseJitCompileTest (already errors on master during jitCompileBlock, before this PR's AOT path).

Made with Cursor

[PurHur]

Duplicate of #32011 — merged to master while this branch was in flight. Verified all four #31967 AOT repros green on origin/master (variable static call, enum class const, interface self:: const, static prop array). Closing without merge.