[clang][dataflow] Don't crash when BlockToState is called from unreachable path #65732
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Sep 8, 2023
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What do you think about this crash fix? @martinboehme @Xazax-hun @ymand |
ymand
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Sep 8, 2023
…d block When we call `getEnvironment`, `BlockToState[BlockId]` for the block can return null even if CFCtx.isBlockReachable(B) returns true if it is called from a particular block that is marked unreachable to the block. (An example is in `EvaluateBlockWithUnreachablePreds` in TransferTest.cpp)
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When we call
getEnvironment,BlockToState[BlockId]for the block can return null even if CFCtx.isBlockReachable(B) returns true if it is called from a particular block that is marked unreachable to the block.