diff --git a/ext/opcache/Optimizer/compact_literals.c b/ext/opcache/Optimizer/compact_literals.c
index 445b579f59245..e59fbb4e17bf1 100644
--- a/ext/opcache/Optimizer/compact_literals.c
+++ b/ext/opcache/Optimizer/compact_literals.c
@@ -292,7 +292,7 @@ void zend_optimizer_compact_literals(zend_op_array *op_array, zend_optimizer_ctx
 				case ZEND_DECLARE_CLASS:
 				case ZEND_DECLARE_INHERITED_CLASS:
 				case ZEND_DECLARE_INHERITED_CLASS_DELAYED:
-					LITERAL_INFO(opline->op1.constant, LITERAL_VALUE, 1, 0, 2);
+					LITERAL_INFO(opline->op1.constant, LITERAL_VALUE, 0, 0, 2);
 					break;
 				case ZEND_RECV:
 				case ZEND_RECV_VARIADIC:
diff --git a/ext/opcache/tests/bug73583.phpt b/ext/opcache/tests/bug73583.phpt
new file mode 100644
index 0000000000000..e947b451c98dc
--- /dev/null
+++ b/ext/opcache/tests/bug73583.phpt
@@ -0,0 +1,19 @@
+--TEST--
+Bug #73583 (Segfaults when conditionally declared class and function have the same name)
+--INI--
+opcache.enable=1
+opcache.enable_cli=1
+opcache.optimization_level=0x4ff
+opcache.file_update_protection=0
+--SKIPIF--
+<?php require_once('skipif.inc'); ?>
+--FILE--
+<?php
+if (true) {
+	class A { }
+	function A() { }
+	function A() { }
+}
+?>
+--EXPECTF--
+Fatal error: Cannot redeclare A() (previously declared in %sbug73583.php:4) in %sbug73583.php on line 5