[clang] [clang-tools-extra] [clang]: Propagate `*noreturn` attributes in `CFG` (PR #146355)

[Andrey Karlov via cfe-commits]

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@@ -2835,8 +2835,37 @@ CFGBlock *CFGBuilder::VisitCallExpr(CallExpr *C, AddStmtChoice asc) {
     if (!FD->isVariadic())
       findConstructionContextsForArguments(C);
 
-    if (FD->isNoReturn() || C->isBuiltinAssumeFalse(*Context))
-      NoReturn = true;
+    if (!NoReturn)
+      NoReturn = FD->isAnalyzerNoReturn() || C->isBuiltinAssumeFalse(*Context);
+
+    // Some well-known 'noreturn' functions
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negativ wrote:

@MikeWeller i've added comment in `NoreturnFunctionChecker.cpp`

https://github.com/llvm/llvm-project/pull/146355