Remove excessive padding from MismatchingNewDeleteDetector

The class MismatchingNewDeleteDetector is in 
lib/Sema/SemaExprCXX.cpp inside the anonymous namespace.
This diff reorders the fields and removes the excessive padding.
Test plan: make -j8 check-clang

Differential revision: https://reviews.llvm.org/D23898

llvm-svn: 280426

clang/lib/Sema/SemaExprCXX.cpp

@@ -2593,7 +2593,7 @@ public:
   /// translation unit. False, if this is the initial analysis at the point
   /// delete-expression was encountered.
   explicit MismatchingNewDeleteDetector(bool EndOfTU)
-      : IsArrayForm(false), Field(nullptr), EndOfTU(EndOfTU),
+      : Field(nullptr), IsArrayForm(false), EndOfTU(EndOfTU),
         HasUndefinedConstructors(false) {}
 
   /// \brief Checks whether pointee of a delete-expression is initialized with
@@ -2612,11 +2612,11 @@ public:
   /// \param DeleteWasArrayForm Array form-ness of the delete-expression used
   /// for deleting the \p Field.
   MismatchResult analyzeField(FieldDecl *Field, bool DeleteWasArrayForm);
+  FieldDecl *Field;
   /// List of mismatching new-expressions used for initialization of the pointee
   llvm::SmallVector<const CXXNewExpr *, 4> NewExprs;
   /// Indicates whether delete-expression was in array form.
   bool IsArrayForm;
-  FieldDecl *Field;
 
 private:
   const bool EndOfTU;