[PATCH] D130522: [clang][dataflow] Fix SAT solver crashes on `X ^ X` and `X v X`

[Dmitri Gribenko via Phabricator via cfe-commits]

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BooleanFormula::addClause has an invariant that a clause has no duplicated
literals. When the solver was desugaring a formula into CNF clauses, it
could construct a clause with such duplicated literals in two cases.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D130522

Files:
  clang/lib/Analysis/FlowSensitive/WatchedLiteralsSolver.cpp
  clang/unittests/Analysis/FlowSensitive/SolverTest.cpp

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