diff --git a/devel/qt5-script/Makefile b/devel/qt5-script/Makefile
index cd8e2cddefbc..5fbf625428c9 100644
--- a/devel/qt5-script/Makefile
+++ b/devel/qt5-script/Makefile
@@ -1,29 +1,29 @@
 PORTNAME=	script
 PORTVERSION=	${QT5_VERSION}${QT5_KDE_PATCH}
-PORTREVISION=	1
+PORTREVISION=	2
 CATEGORIES=	devel
 PKGNAMEPREFIX=	qt5-
 
 MAINTAINER=	kde@FreeBSD.org
 COMMENT=	Qt 4-compatible scripting module
 
 USES=		compiler:c++11-lang perl5 qmake qt-dist:5,script
 USE_PERL5=	extract
 USE_QT=		core buildtools:build
 # Keep make(1) from descending into src/script/obj/ (qmake:outsource
 # doesn't work).
 MAKE_ENV=	MAKEOBJDIR=.
 
 # Source version from qt-dist.mk
 QT5_VERSION=	${_KDE_script_VERSION}
 
 post-patch:
 	@${REINPLACE_CMD} -e '/scripttools/ d' \
 		${WRKSRC}/src/src.pro
 
 # Fix version mismatches for CMake
 post-configure:
 	@${REINPLACE_CMD} -e '/${QT5_VERSION} $${_Qt5Script_FIND_VERSION_EXACT}/s|${QT5_VERSION}|'"$$(${MAKE} -C ../qt5-core -VQT5_VERSION)"'|' \
 		${WRKSRC}/lib/cmake/Qt5Script/Qt5ScriptConfig.cmake
 
 .include <bsd.port.mk>
diff --git a/devel/qt5-script/files/patch-src_3rdparty_javascriptcore_JavaScriptCore_interpreter_CallFrame.h b/devel/qt5-script/files/patch-src_3rdparty_javascriptcore_JavaScriptCore_interpreter_CallFrame.h
new file mode 100644
index 000000000000..bce9105b6145
--- /dev/null
+++ b/devel/qt5-script/files/patch-src_3rdparty_javascriptcore_JavaScriptCore_interpreter_CallFrame.h
@@ -0,0 +1,15 @@
+Index: src/3rdparty/javascriptcore/JavaScriptCore/interpreter/CallFrame.h
+--- src/3rdparty/javascriptcore/JavaScriptCore/interpreter/CallFrame.h.orig
++++ src/3rdparty/javascriptcore/JavaScriptCore/interpreter/CallFrame.h
+@@ -135,9 +135,11 @@ namespace JSC  {
+         static CallFrame* noCaller() { return reinterpret_cast<CallFrame*>(HostCallFrameFlag); }
+         int returnValueRegister() const { return this[RegisterFile::ReturnValueRegister].i(); }
+ 
++#pragma clang optimize off
+         bool hasHostCallFrameFlag() const { return reinterpret_cast<intptr_t>(this) & HostCallFrameFlag; }
+         CallFrame* addHostCallFrameFlag() const { return reinterpret_cast<CallFrame*>(reinterpret_cast<intptr_t>(this) | HostCallFrameFlag); }
+         CallFrame* removeHostCallFrameFlag() { return reinterpret_cast<CallFrame*>(reinterpret_cast<intptr_t>(this) & ~HostCallFrameFlag); }
++#pragma clang optimize on
+ 
+     private:
+         void setArgumentCount(int count) { static_cast<Register*>(this)[RegisterFile::ArgumentCount] = Register::withInt(count); }