Handle clang 10 warnings:

+ fix -Wtautological-bitwise-compare
+ fix -Wimplicit-int-float-conversion
+ fix -Wmisleading-indentation
+ fix -Wrange-loop-construct
+ suppress -Wdeprecated-copy of 3rd party libs

src/Mod/Part/App/GeometrySurfacePyImp.cpp

@@ -22,6 +22,13 @@
 
 
 #include "PreCompiled.h"
+
+#if defined(__clang__) && defined(__has_warning)
+#if __has_warning("-Wdeprecated-copy")
+# pragma clang diagnostic ignored "-Wdeprecated-copy"
+#endif
+#endif
+
 #ifndef _PreComp_
 # include <BRepBuilderAPI_MakeFace.hxx>
 # include <gp_Circ.hxx>