[clang] [rtsan] NFC: Update docs with suppress_equal_stacks (PR #117187)

[via cfe-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clang

Author: Chris Apple (cjappl)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/117187.diff


1 Files Affected:

- (modified) clang/docs/RealtimeSanitizer.rst (+5-1) 


``````````diff
diff --git a/clang/docs/RealtimeSanitizer.rst b/clang/docs/RealtimeSanitizer.rst
index 5431e38fea62ec..233a91f6684162 100644
--- a/clang/docs/RealtimeSanitizer.rst
+++ b/clang/docs/RealtimeSanitizer.rst
@@ -167,7 +167,11 @@ A **partial** list of flags RealtimeSanitizer respects:
    * - ``halt_on_error``
      - ``true``
      - boolean
-     - Exit after first reported error. If false (continue after a detected error), deduplicates error stacks so errors appear only once.
+     - Exit after first reported error.
+   * - ``suppress_equal_stacks``
+     - ``true``
+     - boolean
+     - If true, suppress duplicate reports (i.e. only print each unique error once). Only particularly useful when ``halt_on_error=false``.
    * - ``print_stats_on_exit``
      - ``false``
      - boolean

``````````

</details>


https://github.com/llvm/llvm-project/pull/117187