[PATCH] D121197: [clang][dataflow] Add analysis that detects unsafe accesses to optionals

[Stanislav Gatev via Phabricator via cfe-commits]

sgatev created this revision.
sgatev added reviewers: ymandel, xazax.hun, gribozavr2.
Herald added subscribers: tschuett, steakhal, rnkovacs, mgorny.
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sgatev requested review of this revision.
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Herald added a subscriber: sstefan1.
Herald added a project: clang.

Adds a dataflow analysis that detects unsafe accesses to values of type
`std::optional`, `absl::optional`, or `base::Optional`.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D121197

Files:
  clang/include/clang/Analysis/FlowSensitive/Models/UncheckedOptionalAccessModel.h
  clang/include/clang/Analysis/FlowSensitive/TestingSupport.h
  clang/lib/Analysis/FlowSensitive/CMakeLists.txt
  clang/lib/Analysis/FlowSensitive/Models/CMakeLists.txt
  clang/lib/Analysis/FlowSensitive/Models/UncheckedOptionalAccessModel.cpp
  clang/lib/Analysis/FlowSensitive/TestingSupport.cpp
  clang/unittests/Analysis/FlowSensitive/CMakeLists.txt
  clang/unittests/Analysis/FlowSensitive/MatchSwitchTest.cpp
  clang/unittests/Analysis/FlowSensitive/Models/CMakeLists.txt
  clang/unittests/Analysis/FlowSensitive/Models/UncheckedOptionalAccessModelTest.cpp
  clang/unittests/Analysis/FlowSensitive/MultiVarConstantPropagationTest.cpp
  clang/unittests/Analysis/FlowSensitive/SingleVarConstantPropagationTest.cpp
  clang/unittests/Analysis/FlowSensitive/TestingSupport.cpp
  clang/unittests/Analysis/FlowSensitive/TestingSupport.h
  clang/unittests/Analysis/FlowSensitive/TestingSupportTest.cpp
  clang/unittests/Analysis/FlowSensitive/TransferTest.cpp
  clang/unittests/Analysis/FlowSensitive/TypeErasedDataflowAnalysisTest.cpp

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