https://github.com/spaits updated
https://github.com/llvm/llvm-project/pull/76501
From c1884cc4d17c446491777baa43e3996aae22ad0d Mon Sep 17 00:00:00 2001
From: Gabor Spaits <gaborspai...@gmail.com>
Date: Thu, 28 Dec 2023 14:17:55 +0100
Subject: [PATCH] [analyzer] Add documentation for std::variant checker
---
clang/docs/analyzer/checkers.rst | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/clang/docs/analyzer/checkers.rst b/clang/docs/analyzer/checkers.rst
index 81d40395067c9a..272e1965335ed3 100644
--- a/clang/docs/analyzer/checkers.rst
+++ b/clang/docs/analyzer/checkers.rst
@@ -2097,6 +2097,21 @@ This checker is a part of ``core.StackAddressEscape``,
but is temporarily disabl
.. _alpha-core-TestAfterDivZero:
+alpha.core.StdVariant (C++)
+"""""""""""""""""""""""""""
+Check if a value of active type is retrieved from an ``std::variant`` instance
with ``std::get``.
+In case of bad variant type access(the accessed type differs from the active
type)
+a warning is emitted. Currently this checker does not take exception handling
into account.
+
+.. code-block:: cpp
+
+ void test() {
+ std::variant <int, char> v = 25;
+ char c = stg::get<char>(v); // warn
+ }
+
+.. _alpha-core-StdVariant:
+
alpha.core.TestAfterDivZero (C)
"""""""""""""""""""""""""""""""
Check for division by variable that is later compared against 0.
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