[clang] [clang][analyzer] CallAndMessage warnings at pointer to uninitialized struct (PR #164600)

[Balázs Kéri via cfe-commits]

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@@ -179,6 +179,12 @@ def CallAndMessageChecker
                "Check whether the reciever in the message expression is "
                "undefined",
                "true", Released>,
+           CmdLineOption<
+               Boolean, "ArgPointeeInitializednessComplete",
+               "If set to true, treat a struct as initialized when all of its "
+               "members are initialized, otherwise when it has any initialized "
+               "member (used only at ArgPointeeInitializedness)",
+               "false", Released>,
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balazske wrote:

Additionally, the checker has practically no documentation, just some of the simple examples. I can not add documentation for the new option because no others are documented (in the rst file) (only if the entire documentation is updated).

https://github.com/llvm/llvm-project/pull/164600