diff options
| author | Dimitry Andric <dim@FreeBSD.org> | 2017-12-20 14:26:54 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2017-12-20 14:26:54 +0000 |
| commit | 9a199699c2fd227dae8c1ff60a70c819e9d4fdfe (patch) | |
| tree | 1953a1b292c4637ca2a5ede1494d3a5b84cccac3 /contrib/llvm/tools/clang/lib/StaticAnalyzer/Checkers/UndefinedAssignmentChecker.cpp | |
| parent | 2cab237b5dbfe1b3e9c7aa7a3c02d2b98fcf7462 (diff) | |
| parent | 461a67fa15370a9ec88f8f8a240bf7c123bb2029 (diff) | |
Notes
Diffstat (limited to 'contrib/llvm/tools/clang/lib/StaticAnalyzer/Checkers/UndefinedAssignmentChecker.cpp')
| -rw-r--r-- | contrib/llvm/tools/clang/lib/StaticAnalyzer/Checkers/UndefinedAssignmentChecker.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/contrib/llvm/tools/clang/lib/StaticAnalyzer/Checkers/UndefinedAssignmentChecker.cpp b/contrib/llvm/tools/clang/lib/StaticAnalyzer/Checkers/UndefinedAssignmentChecker.cpp index 7a31efc8cef8..c3dcf1fac197 100644 --- a/contrib/llvm/tools/clang/lib/StaticAnalyzer/Checkers/UndefinedAssignmentChecker.cpp +++ b/contrib/llvm/tools/clang/lib/StaticAnalyzer/Checkers/UndefinedAssignmentChecker.cpp @@ -60,6 +60,14 @@ void UndefinedAssignmentChecker::checkBind(SVal location, SVal val, const Expr *ex = nullptr; while (StoreE) { + if (const UnaryOperator *U = dyn_cast<UnaryOperator>(StoreE)) { + str = "The expression is an uninitialized value. " + "The computed value will also be garbage"; + + ex = U->getSubExpr(); + break; + } + if (const BinaryOperator *B = dyn_cast<BinaryOperator>(StoreE)) { if (B->isCompoundAssignmentOp()) { ProgramStateRef state = C.getState(); |
