Update UnsafeBufferUsage.h

Author: shreya-jain

clang/include/clang/Analysis/Analyses/UnsafeBufferUsage.h

@@ -14,6 +14,7 @@
 #ifndef LLVM_CLANG_ANALYSIS_ANALYSES_UNSAFEBUFFERUSAGE_H
 #define LLVM_CLANG_ANALYSIS_ANALYSES_UNSAFEBUFFERUSAGE_H
 
+#include "clang/AST/ASTTypeTraits.h"
 #include "clang/AST/Decl.h"
 #include "clang/AST/Expr.h"
 #include "clang/AST/Stmt.h"
@@ -139,6 +140,12 @@ class UnsafeBufferUsageHandler {
                             FixItList &&Fixes, const Decl *D,
                             const FixitStrategy &VarTargetTypes) = 0;
 
+  // Invoked when an array subscript operator[] is used on a
+  // std::unique_ptr<T[]>.
+  virtual void handleUnsafeUniquePtrArrayAccess(const DynTypedNode &Node,
+                                                bool IsRelatedToDecl,
+                                                ASTContext &Ctx) = 0;
+
 #ifndef NDEBUG
 public:
   bool areDebugNotesRequested() {