Hide (packed) hint for ZEND_INIT_ARRAY with op1=UNUSED

Fixes GH-20978

Author: iluuu1994

Zend/Optimizer/zend_dump.c

@@ -618,7 +618,7 @@ ZEND_API void zend_dump_op(const zend_op_array *op_array, const zend_basic_block
 		}
 		if (ZEND_VM_EXT_ARRAY_INIT & flags) {
 			fprintf(stderr, " %u", opline->extended_value >> ZEND_ARRAY_SIZE_SHIFT);
-			if (!(opline->extended_value & ZEND_ARRAY_NOT_PACKED)) {
+			if (opline->op1_type != IS_UNUSED && !(opline->extended_value & ZEND_ARRAY_NOT_PACKED)) {
 				fprintf(stderr, " (packed)");
 			}
 		}

ext/standard/tests/array/array_map_foreach_optimization_001.phpt

@@ -31,7 +31,7 @@ $_main:
 0003 V2 = DO_ICALL
 0004 ASSIGN CV0($array) V2
 0005 TYPE_ASSERT 131079 string("array_map") CV0($array)
-0006 T2 = INIT_ARRAY 0 (packed) NEXT
+0006 T2 = INIT_ARRAY 0 NEXT
 0007 V3 = FE_RESET_R CV0($array) 0014
 0008 T5 = FE_FETCH_R V3 T4 0014
 0009 INIT_FCALL 1 %d string("plus1")

ext/standard/tests/array/array_map_foreach_optimization_002.phpt

@@ -37,7 +37,7 @@ $_main:
 0006 SEND_VAR%S CV0($array) 1
 0007 DO_FCALL
 0008 TYPE_ASSERT 131079 string("array_map") V5
-0009 T2 = INIT_ARRAY 0 (packed) NEXT
+0009 T2 = INIT_ARRAY 0 NEXT
 0010 V3 = FE_RESET_R V5 0017
 0011 T5 = FE_FETCH_R V3 T4 0017
 0012 INIT_FCALL 1 %d string("plus1")

ext/standard/tests/array/array_map_foreach_optimization_003.phpt

@@ -24,7 +24,7 @@ $_main:
      ; (after optimizer)
      ; %s
 0000 TYPE_ASSERT 131079 string("array_map") array(...)
-0001 T1 = INIT_ARRAY 0 (packed) NEXT
+0001 T1 = INIT_ARRAY 0 NEXT
 0002 V2 = FE_RESET_R array(...) 0009
 0003 T4 = FE_FETCH_R V2 T3 0009
 0004 INIT_FCALL 1 %d string("plus1")

ext/standard/tests/array/array_map_foreach_optimization_004.phpt

@@ -29,7 +29,7 @@ $_main:
 0003 V1 = DO_ICALL
 0004 ASSIGN CV0($array) V1
 0005 TYPE_ASSERT 131079 string("array_map") CV0($array)
-0006 T1 = INIT_ARRAY 0 (packed) NEXT
+0006 T1 = INIT_ARRAY 0 NEXT
 0007 V2 = FE_RESET_R CV0($array) 0014
 0008 T4 = FE_FETCH_R V2 T3 0014
 0009 INIT_FCALL 1 %d string("stdclass")

ext/standard/tests/array/array_map_foreach_optimization_005.phpt

@@ -33,7 +33,7 @@ $_main:
 0003 V2 = DO_ICALL
 0004 ASSIGN CV0($array) V2
 0005 TYPE_ASSERT 131079 string("array_map") CV0($array)
-0006 T2 = INIT_ARRAY 0 (packed) NEXT
+0006 T2 = INIT_ARRAY 0 NEXT
 0007 V3 = FE_RESET_R CV0($array) 0014
 0008 T5 = FE_FETCH_R V3 T4 0014
 0009 INIT_STATIC_METHOD_CALL 1 string("Adder") string("plus1")