Fixed bug #78239

Author: nikic

NEWS

@@ -2,6 +2,10 @@ PHP                                                                        NEWS
 |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 ?? ??? ????, PHP 7.4.0alpha3
 
+- Core:
+  . Fixed bug #78239 (Deprecation notice during string conversion converted to
+    exception hangs). (Nikita)
+
 - Date:
   . Updated timelib to 2018.02. (Derick)
 

Zend/tests/bug78239.phpt

@@ -0,0 +1,30 @@
+--TEST--
+Bug #78239: Deprecation notice during string conversion converted to exception hangs
+--FILE--
+<?php
+function handleError($level, $message, $file = '', $line = 0, $context = [])
+{
+    throw new ErrorException($message, 0, $level, $file, $line);
+}
+
+set_error_handler('handleError');
+
+class A
+{
+    
+    public function abc(): bool
+    {
+        return false;
+    }
+}
+
+$r = new ReflectionMethod("A", "abc");
+(string)$r->getReturnType() ?: "";
+
+?>
+--EXPECTF--
+Fatal error: Uncaught ErrorException: Function ReflectionType::__toString() is deprecated in %s:%d
+Stack trace:
+#0 %s(%d): handleError(%s)
+#1 {main}
+  thrown in %s on line %d

Zend/zend_execute_API.c

@@ -754,6 +754,7 @@ int zend_call_function(zend_fcall_info *fci, zend_fcall_info_cache *fci_cache) /
 			zend_vm_stack_free_call_frame(call);
 			if (EG(current_execute_data) == &dummy_execute_data) {
 				EG(current_execute_data) = dummy_execute_data.prev_execute_data;
+				zend_rethrow_exception(EG(current_execute_data));
 			}
 			return FAILURE;
 		}