cmake-gui: crashes with Qt 5.15

cmake-gui crashes after calling it.

Example:

cmake-gui .
[1]    56767 segmentation fault (core dumped)  cmake-gui .

cmake-gui
[1]    58131 segmentation fault (core dumped)  cmake-gui

Backtrace:

Thread 1 "cmake-gui" received signal SIGSEGV, Segmentation fault.
0x00007ffff6ba06c4 in qHash(QString const&, unsigned int) ()
   from /usr/lib/libQt5Core.so.5
(gdb) bt
#0  0x00007ffff6ba06c4 in qHash(QString const&, unsigned int) ()
    at /usr/lib/libQt5Core.so.5
#1  0x00005555556362a1 in QCMakeCacheModel::setProperties(QList<QCMakeProperty> const&)
    ()
#2  0x0000555555638b62 in QCMakeCacheModel::setViewType(QCMakeCacheModel::ViewType) ()
#3  0x000055555561576e in CMakeSetupDialog::setGroupedView(bool) ()
#4  0x0000555555616077 in CMakeSetupDialog::CMakeSetupDialog() ()
#5  0x0000555555607b84 in main ()

Workaround

This dirty modification fixes the trouble

--- a/Source/QtDialog/QCMakeCacheView.cxx	2020-07-15 14:19:20.000000000 +0300
+++ b/Source/QtDialog/QCMakeCacheView.cxx	2020-07-17 22:55:04.558439571 +0300
@@ -217,27 +217,27 @@
   QSet<QCMakeProperty> newProps2;
 
   if (this->ShowNewProperties) {
-#if QT_VERSION < QT_VERSION_CHECK(5, 14, 0)
+//#if QT_VERSION < QT_VERSION_CHECK(5, 14, 0)
     newProps = props.toSet();
-#else
-    newProps = QSet<QCMakeProperty>(props.begin(), props.end());
-#endif
+//#else
+//    newProps = QSet<QCMakeProperty>(props.begin(), props.end());
+//#endif
     newProps2 = newProps;
-#if QT_VERSION < QT_VERSION_CHECK(5, 14, 0)
+//#if QT_VERSION < QT_VERSION_CHECK(5, 14, 0)
     QSet<QCMakeProperty> oldProps = this->properties().toSet();
-#else
-    QSet<QCMakeProperty> oldProps = QSet<QCMakeProperty>(
-      this->properties().begin(), this->properties().end());
-#endif
+//#else
+//    QSet<QCMakeProperty> oldProps = QSet<QCMakeProperty>(
+//      this->properties().begin(), this->properties().end());
+//#endif
     oldProps.intersect(newProps);
     newProps.subtract(oldProps);
     newProps2.subtract(newProps);
   } else {
-#if QT_VERSION < QT_VERSION_CHECK(5, 14, 0)
+//#if QT_VERSION < QT_VERSION_CHECK(5, 14, 0)
     newProps2 = props.toSet();
-#else
-    newProps2 = QSet<QCMakeProperty>(props.begin(), props.end());
-#endif
+//#else
+//    newProps2 = QSet<QCMakeProperty>(props.begin(), props.end());
+//#endif
   }
 
   bool b = this->blockSignals(true);

System info:

OS: ArchLinux

qt5-base : 5.15.0

cmake : 3.18.0

Please let me know if any additional information needed, and thank you for your time!