https://github.com/jcsxky updated
https://github.com/llvm/llvm-project/pull/68510
>From b0f13442dd6c41331f9ab43f1cd8ac6bbf0deabe Mon Sep 17 00:00:00 2001
From: huqizhi <huqi...@feysh.com>
Date: Sun, 8 Oct 2023 16:00:29 +0800
Subject: [PATCH] [clang][analysis]Use dyn_cast_or_null instead cast to prevent
crash
---
.../FlowSensitive/Models/UncheckedOptionalAccessModel.cpp | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git
a/clang/lib/Analysis/FlowSensitive/Models/UncheckedOptionalAccessModel.cpp
b/clang/lib/Analysis/FlowSensitive/Models/UncheckedOptionalAccessModel.cpp
index f61f26ff27804ec..3a20bdc4285aee9 100644
--- a/clang/lib/Analysis/FlowSensitive/Models/UncheckedOptionalAccessModel.cpp
+++ b/clang/lib/Analysis/FlowSensitive/Models/UncheckedOptionalAccessModel.cpp
@@ -599,7 +599,7 @@ void transferAssignment(const CXXOperatorCallExpr *E,
BoolValue &HasValueVal,
LatticeTransferState &State) {
assert(E->getNumArgs() > 0);
- if (auto *Loc = cast<RecordStorageLocation>(
+ if (auto *Loc = dyn_cast_or_null<RecordStorageLocation>(
State.Env.getStorageLocation(*E->getArg(0)))) {
createOptionalValue(*Loc, HasValueVal, State.Env);
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