2 files changed, 24 insertions, 6 deletions
diff --git a/clang-tools-extra/docs/ReleaseNotes.rst b/clang-tools-extra/docs/ReleaseNotes.rst
index 0237787871e..c357b86a43f 100644
--- a/clang-tools-extra/docs/ReleaseNotes.rst
+++ b/clang-tools-extra/docs/ReleaseNotes.rst
@@ -92,7 +92,7 @@ Improvements to clang-tidy
   ``strlen()``, ``strnlen()``, ``strnlen_s()``, ``wcslen()``, ``wcsnlen()``, and
   ``wcsnlen_s()`` instead of the result and the value is used as an argument to
   a memory allocation function (``malloc()``, ``calloc()``, ``realloc()``,
-  ``alloca()``).
+  ``alloca()``) or the ``new[]`` operator in `C++`.
 
 - Renamed checks to use correct term "implicit conversion" instead of "implicit
   cast" and modified messages and option names accordingly:
diff --git a/clang-tools-extra/docs/clang-tidy/checks/bugprone-misplaced-operator-in-strlen-in-alloc.rst b/clang-tools-extra/docs/clang-tidy/checks/bugprone-misplaced-operator-in-strlen-in-alloc.rst
index 66b03084426..463e3b88d48 100644
--- a/clang-tools-extra/docs/clang-tidy/checks/bugprone-misplaced-operator-in-strlen-in-alloc.rst
+++ b/clang-tools-extra/docs/clang-tidy/checks/bugprone-misplaced-operator-in-strlen-in-alloc.rst
@@ -6,12 +6,12 @@ bugprone-misplaced-operator-in-strlen-in-alloc
 Finds cases where ``1`` is added to the string in the argument to ``strlen()``,
 ``strnlen()``, ``strnlen_s()``, ``wcslen()``, ``wcsnlen()``, and ``wcsnlen_s()``
 instead of the result and the value is used as an argument to a memory
-allocation function (``malloc()``, ``calloc()``, ``realloc()``, ``alloca()``).
-Cases where ``1`` is added both to the parameter and the result of the
-``strlen()``-like function are ignored, as are cases where the whole addition is
-surrounded by extra parentheses.
+allocation function (``malloc()``, ``calloc()``, ``realloc()``, ``alloca()``) or
+the ``new[]`` operator in `C++`. Cases where ``1`` is added both to the
+parameter and the result of the ``strlen()``-like function are ignored, as are
+cases where the whole addition is surrounded by extra parentheses.
 
-Example code:
+`C` example code:
 
 .. code-block:: c
 
@@ -28,6 +28,24 @@ to its argument. In the example above the fix would be
       char *c = (char*) malloc(strlen(str) + 1);
 
 
+`C++` example code:
+
+.. code-block:: c++
+
+    void bad_new(char *str) {
+      char *c = new char[strlen(str + 1)];
+    }
+
+
+As in the `C` code with the ``malloc()`` function, the suggested fix is to
+add ``1`` to the return value of ``strlen()`` and not to its argument. In the
+example above the fix would be
+
+.. code-block:: c++
+
+      char *c = new char[strlen(str) + 1];
+
+
 Example for silencing the diagnostic:
 
 .. code-block:: c