Silence a GCC warning about uninitialized variables. The first user of this

showed up with a primitive type.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@94674 91177308-0d34-0410-b5e6-96231b3b80d8

include/clang/Analysis/Support/Optional.h

@@ -23,7 +23,7 @@ class Optional {
   T x;
   unsigned hasVal : 1;
 public:
-  explicit Optional() : hasVal(false) {}
+  explicit Optional() : x(), hasVal(false) {}
   Optional(const T &y) : x(y), hasVal(true) {}
 
   static inline Optional create(const T* y) {