================
@@ -10055,3 +10055,65 @@ different languages to coexist on the same call stack
while each interpreting
exceptions according to their own rules.
}];
}
+
+def SentinelDocs : Documentation {
+ let Category = DocCatFunction;
+ let Content = [{
+The ``sentinel`` attribute can be applied to variadic functions and pointers to
+variadic functions, to diagnose each function call that does not pass a
+sentinel value (a null pointer constant) as the last argument to the function
+call. The attribute accepts two optional arguments: the first argument is the
+position of the expected sentinel value, starting from the last parameter. The
+second argument describes whether the last fixed parameter is treated as a
+valid sentinel value when set to '1'.
+All arguments described above defaults to '0' when elided.
----------------
erichkeane wrote:
```suggestion
All arguments described above default to '0' when elided.
```
https://github.com/llvm/llvm-project/pull/196088
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