Merge branch 'PHP-7.2' into PHP-7.3

1 files changed, 23 insertions, 1 deletions

diff --git a/Zend/zend_compile.c b/Zend/zend_compile.c
index fccc45c994..b7fa412d9f 100644
--- a/Zend/zend_compile.c
+++ b/Zend/zend_compile.c
@@ -6440,10 +6440,32 @@ void zend_compile_class_decl(zend_ast *ast) /* {{{ */
 		if (!zend_hash_exists(CG(class_table), lcname)) {
 			zend_hash_add_ptr(CG(class_table), lcname, ce);
 		} else {
-			/* this anonymous class has been included */
+			/* This anonymous class has been included, reuse the existing definition.
+			 * NB: This behavior is buggy, and this should always result in a separate
+			 * class declaration. However, until the problem of RTD key collisions is
+			 * solved, this gives a behavior close to what is expected. */
 			zval zv;
 			ZVAL_PTR(&zv, ce);
 			destroy_zend_class(&zv);
+			ce = zend_hash_find_ptr(CG(class_table), lcname);
+
+			/* Manually replicate emission of necessary inheritance opcodes here. We cannot
+			 * reuse the general code, as we only want to emit the opcodes, without modifying
+			 * the reused class definition. */
+			if (ce->ce_flags & ZEND_ACC_IMPLEMENT_TRAITS) {
+				zend_emit_op(NULL, ZEND_BIND_TRAITS, &declare_node, NULL);
+			}
+			if (implements_ast) {
+				zend_ast_list *iface_list = zend_ast_get_list(implements_ast);
+				uint32_t i;
+				for (i = 0; i < iface_list->children; i++) {
+					opline = zend_emit_op(NULL, ZEND_ADD_INTERFACE, &declare_node, NULL);
+					opline->op2_type = IS_CONST;
+					opline->op2.constant = zend_add_class_name_literal(CG(active_op_array),
+						zend_resolve_class_name_ast(iface_list->child[i]));
+				}
+				zend_emit_op(NULL, ZEND_VERIFY_ABSTRACT_CLASS, &declare_node, NULL);
+			}
 			return;
 		}
 	} else {