https://codereview.qt-project.org/c/qt/qtdeclarative/+/584856

Index: qtdeclarative-opensource-src-5.15.15+dfsg/src/qml/jit/qv4assemblercommon_p.h
===================================================================
--- qtdeclarative-opensource-src-5.15.15+dfsg.orig/src/qml/jit/qv4assemblercommon_p.h
+++ qtdeclarative-opensource-src-5.15.15+dfsg/src/qml/jit/qv4assemblercommon_p.h
@@ -66,7 +66,7 @@ namespace QV4 {
 namespace JIT {
 
 #if defined(Q_PROCESSOR_X86_64) || defined(ENABLE_ALL_ASSEMBLERS_FOR_REFACTORING_PURPOSES)
-#if defined(Q_OS_LINUX) || defined(Q_OS_QNX) || defined(Q_OS_FREEBSD) || defined(Q_OS_DARWIN)
+#if defined(Q_OS_LINUX) || defined(Q_OS_QNX) || defined(Q_OS_FREEBSD) || defined(Q_OS_DARWIN) || defined(Q_OS_HURD)
 
 class PlatformAssembler_X86_64_SysV : public JSC::MacroAssembler<JSC::MacroAssemblerX86_64>
 {
