Clarify that clip() behavior is undefined when min or max is outside the bounds of x

As discussed in today's consortium meeting.

See the discussion at numpy/numpy#24976.

Author: asmeurer

src/array_api_stubs/_2023_12/elementwise_functions.py

@@ -805,6 +805,7 @@ def clip(
 
     - If both ``min`` and ``max`` are ``None``, the elements of the returned array must equal the respective elements in ``x``.
     - If a broadcasted element in ``min`` is greater than a corresponding broadcasted element in ``max``, behavior is unspecified and thus implementation-dependent.
+    - If ``x`` has an integral data type and a broadcasted element in ``min`` or ``max`` is outside the bounds of the data type of ``x``, the behavior is unspecified and thus implementation-dependent.
     - If ``x`` and either ``min`` or ``max`` have different data type kinds (e.g., integer versus floating-point), behavior is unspecified and thus implementation-dependent.
 
     .. versionadded:: 2023.12

src/array_api_stubs/_draft/elementwise_functions.py

@@ -806,6 +806,7 @@ def clip(
 
     - If both ``min`` and ``max`` are ``None``, the elements of the returned array must equal the respective elements in ``x``.
     - If a broadcasted element in ``min`` is greater than a corresponding broadcasted element in ``max``, behavior is unspecified and thus implementation-dependent.
+    - If ``x`` has an integral data type and a broadcasted element in ``min`` or ``max`` is outside the bounds of the data type of ``x``, the behavior is unspecified and thus implementation-dependent.
     - If ``x`` and either ``min`` or ``max`` have different data type kinds (e.g., integer versus floating-point), behavior is unspecified and thus implementation-dependent.
 
     .. versionadded:: 2023.12