Fix bitfield initialization

Author: tbaederr

clang/lib/AST/ByteCode/Function.cpp

@@ -22,8 +22,9 @@ Function::Function(Program &P, FunctionDeclTy Source, unsigned ArgSize,
                    bool HasThisPointer, bool HasRVO, bool IsLambdaStaticInvoker)
     : P(P), Kind(FunctionKind::Normal), Source(Source), ArgSize(ArgSize),
       ParamTypes(std::move(ParamTypes)), Params(std::move(Params)),
-      ParamOffsets(std::move(ParamOffsets)), HasThisPointer(HasThisPointer),
-      HasRVO(HasRVO) {
+      ParamOffsets(std::move(ParamOffsets)), IsValid(false),
+      IsFullyCompiled(false), HasThisPointer(HasThisPointer), HasRVO(HasRVO),
+      Defined(false) {
   if (const auto *F = dyn_cast<const FunctionDecl *>(Source)) {
     Variadic = F->isVariadic();
     Immediate = F->isImmediateFunction();
@@ -41,7 +42,13 @@ Function::Function(Program &P, FunctionDeclTy Source, unsigned ArgSize,
         Kind = FunctionKind::LambdaCallOperator;
       else if (MD->isCopyAssignmentOperator() || MD->isMoveAssignmentOperator())
         Kind = FunctionKind::CopyOrMoveOperator;
+    } else {
+      Virtual = false;
     }
+  } else {
+    Variadic = false;
+    Virtual = false;
+    Immediate = false;
   }
 }