[clang] [analyzer] Handle [[assume(cond)]] as __builtin_assume(cond) (PR #116462)

[Vinay Deshmukh via cfe-commits]

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@@ -1200,3 +1200,20 @@ void ExprEngine::VisitLambdaExpr(const LambdaExpr *LE, ExplodedNode *Pred,
   // FIXME: Move all post/pre visits to ::Visit().
   getCheckerManager().runCheckersForPostStmt(Dst, Tmp, LE, *this);
 }
+
+void ExprEngine::VisitAttributedStmt(const AttributedStmt *A,
+                                     ExplodedNode *Pred, ExplodedNodeSet &Dst) {
+  ExplodedNodeSet CheckerPreStmt;
+  getCheckerManager().runCheckersForPreStmt(CheckerPreStmt, Pred, A, *this);
+
+  ExplodedNodeSet EvalSet;
+  StmtNodeBuilder Bldr(CheckerPreStmt, EvalSet, *currBldrCtx);
+
+  if (const auto *AssumeAttr = getSpecificAttr<CXXAssumeAttr>(A->getAttrs())) {
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vinay-deshmukh wrote:

Same for the `for` -> `if` change in `CFG.cpp`

https://github.com/llvm/llvm-project/pull/116462