[clang] [clang][analyzer] Add allocation failure modeling to DynamicMemoryModeling (PR #205371)

[Balázs Benics via cfe-commits]

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@@ -512,7 +512,14 @@ def DynamicMemoryModeling: Checker<"DynamicMemoryModeling">,
                   "NoStoreFuncVisitor.",
                   "true",
                   Released,
-                  Hide>
+                  Hide>,
+    CmdLineOption<Boolean,
+                  "ModelAllocationFailure",
+                  "At allocation functions, add extra execution branches for "
+                  "failed memory allocation (function returns null value when "
+                  "size is non-null) if applicable.",
+                  "false",
+                  Released>
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steakhal wrote:

I think this deserves:
- An entry in the checker documentation, with example.
- A note in the release notes.

https://github.com/llvm/llvm-project/pull/205371