Fix static variable initializations

Author: aschwaighofer

lib/IRGen/LoadableByAddress.cpp

@@ -3422,8 +3422,8 @@ struct Properties {
   uint16_t numRegisters = 0;
 
 public:
-  static uint16_t MaxNumUses = 65535;
-  static uint16_t MaxNumRegisters = 65535;
+  static uint16_t MaxNumUses;
+  static uint16_t MaxNumRegisters;
 
   void addConstructor() {
     sawConstructor = true;
@@ -3484,6 +3484,9 @@ struct Properties {
 };
 }
 
+uint16_t Properties::MaxNumUses = 65535;
+uint16_t Properties::MaxNumRegisters = 65535;
+
 namespace {
 class LargeLoadableHeuristic {
   GenericEnvironment *genEnv;