Merge branch 'PHP-7.3' into PHP-7.4

* PHP-7.3:
  Fix #78980: pgsqlGetNotify() overlooks dead connection

Author: nikic

NEWS

@@ -13,6 +13,10 @@ PHP                                                                        NEWS
   . Fixed bug #78999 (Cycle leak when using function result as temporary).
     (Dmitry)
 
+- Fileinfo:
+  . Fixed bug #74170 (locale information change after mime_content_type).
+    (Sergei Turchanov)
+
 - OPcache:
   . Fixed bug #78961 (erroneous optimization of re-assigned $GLOBALS). (Dmitry)
   . Fixed bug #78950 (Preloading trait method with static variables). (Nikita)
@@ -21,9 +25,15 @@ PHP                                                                        NEWS
   . Fixed bug #78986 (Opcache segfaults when inheriting ctor from immutable
     into mutable class). (Nikita)
 
+- Pcntl:
+  . Fixed bug #78402 (Converting null to string in error message is bad DX).
+    (SATŌ Kentarō)
+
 - PDO_PgSQL:
   . Fixed bug #78983 (pdo_pgsql config.w32 cannot find libpq-fe.h). (SATŌ
     Kentarō)
+  . Fixed bug #78980 (pgsqlGetNotify() overlooks dead connection). (SATŌ
+    Kentarō)
 
 - Spl:
   . Fixed bug #78976 (SplFileObject::fputcsv returns -1 on failure). (cmb)

ext/pdo_pgsql/pgsql_driver.c

@@ -1068,13 +1068,21 @@ static PHP_METHOD(PDO, pgsqlGetNotify)
 
 	H = (pdo_pgsql_db_handle *)dbh->driver_data;
 
-	PQconsumeInput(H->server);
+	if (!PQconsumeInput(H->server)) {
+		pdo_pgsql_error(dbh, PGRES_FATAL_ERROR, NULL);
+		PDO_HANDLE_DBH_ERR();
+		RETURN_FALSE;
+	}
 	pgsql_notify = PQnotifies(H->server);
 
 	if (ms_timeout && !pgsql_notify) {
 		php_pollfd_for_ms(PQsocket(H->server), PHP_POLLREADABLE, (int)ms_timeout);
 
-		PQconsumeInput(H->server);
+		if (!PQconsumeInput(H->server)) {
+			pdo_pgsql_error(dbh, PGRES_FATAL_ERROR, NULL);
+			PDO_HANDLE_DBH_ERR();
+			RETURN_FALSE;
+		}
 		pgsql_notify = PQnotifies(H->server);
 	}