diff --git a/clang/include/clang/AST/Expr.h b/clang/include/clang/AST/Expr.h
--- a/clang/include/clang/AST/Expr.h
+++ b/clang/include/clang/AST/Expr.h
@@ -1883,6 +1883,11 @@
     return getTrailingObjects<SourceLocation>() + getNumConcatenated();
   }
 
+  /// Gets the source location of each piece that makes up this string literal.
+  ArrayRef<SourceLocation> getTokenLocations() const {
+    return {getTrailingObjects<SourceLocation>(), getNumConcatenated()};
+  }
+
   SourceLocation getBeginLoc() const LLVM_READONLY { return *tokloc_begin(); }
   SourceLocation getEndLoc() const LLVM_READONLY { return *(tokloc_end() - 1); }