diff -Nru qtdeclarative-opensource-src-5.15.2+dfsg/debian/changelog qtdeclarative-opensource-src-5.15.2+dfsg/debian/changelog
--- qtdeclarative-opensource-src-5.15.2+dfsg/debian/changelog	2021-08-16 09:02:36.000000000 +0000
+++ qtdeclarative-opensource-src-5.15.2+dfsg/debian/changelog	2021-08-18 11:21:46.000000000 +0000
@@ -1,3 +1,9 @@
+qtdeclarative-opensource-src (5.15.2+dfsg-8) unstable; urgency=medium
+
+  * Include <limits> in Yarr.h to fix FTBFS with GCC 11 on arm64 and i386.
+
+ -- Dmitry Shachnev <mitya57@debian.org>  Wed, 18 Aug 2021 14:21:46 +0300
+
 qtdeclarative-opensource-src (5.15.2+dfsg-7) unstable; urgency=medium
 
   [ Lisandro Damián Nicanor Pérez Meyer ]
diff -Nru qtdeclarative-opensource-src-5.15.2+dfsg/debian/patches/gcc_11.patch qtdeclarative-opensource-src-5.15.2+dfsg/debian/patches/gcc_11.patch
--- qtdeclarative-opensource-src-5.15.2+dfsg/debian/patches/gcc_11.patch	2021-08-16 09:02:36.000000000 +0000
+++ qtdeclarative-opensource-src-5.15.2+dfsg/debian/patches/gcc_11.patch	2021-08-18 11:21:46.000000000 +0000
@@ -2,8 +2,18 @@
 Origin: upstream, commits:
  https://code.qt.io/cgit/qt/qtdeclarative.git/commit/?id=eb6525f126f680f9
  https://code.qt.io/cgit/qt/qtdeclarative.git/commit/?id=367293b18ab0d0a0
-Last-Update: 2021-08-09
+Last-Update: 2021-08-18
 
+--- a/src/3rdparty/masm/yarr/Yarr.h
++++ b/src/3rdparty/masm/yarr/Yarr.h
+@@ -28,6 +28,7 @@
+ #pragma once
+ 
+ #include <limits.h>
++#include <limits>
+ #include "YarrErrorCode.h"
+ 
+ namespace JSC { namespace Yarr {
 --- a/src/qml/compiler/qv4bytecodegenerator_p.h
 +++ b/src/qml/compiler/qv4bytecodegenerator_p.h
 @@ -186,13 +186,13 @@ QT_WARNING_POP