[clang] [clang-tools-extra] [clang-tidy] Add `IgnoreValueCalls` option to bugprone-unchecked-optional-access (PR #167209)

[via cfe-commits]

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@@ -351,7 +351,10 @@ Changes in existing checks
 - Improved :doc:`bugprone-unchecked-optional-access
   <clang-tidy/checks/bugprone/unchecked-optional-access>` check by supporting
   ``NullableValue::makeValue`` and ``NullableValue::makeValueInplace`` to
-  prevent false-positives for ``BloombergLP::bdlb::NullableValue`` type.
+  prevent false-positives for ``BloombergLP::bdlb::NullableValue`` type, and by
+  adding the ``IgnoreValueCalls`` option to suppress diagnostics for
+  ``optional::value()`` while still diagnosing UB-prone dereferences via
+  ``operator*`` and ``operator->``.
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zeyi2 wrote:

I think the `IgnoreSmartPointerDereference` was already in the codebase before and I only made some documentation change. Should I also document it?

https://github.com/llvm/llvm-project/pull/167209