diff options
Diffstat (limited to 'lib/Checker/SimpleSValuator.cpp')
| -rw-r--r-- | lib/Checker/SimpleSValuator.cpp | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/lib/Checker/SimpleSValuator.cpp b/lib/Checker/SimpleSValuator.cpp index 0f4fe07bb7..5b24992118 100644 --- a/lib/Checker/SimpleSValuator.cpp +++ b/lib/Checker/SimpleSValuator.cpp @@ -502,7 +502,12 @@ SVal SimpleSValuator::EvalBinOpLL(const GRState *state, QualType resultTy) { // Only comparisons and subtractions are valid operations on two pointers. // See [C99 6.5.5 through 6.5.14] or [C++0x 5.6 through 5.15]. - assert(BinaryOperator::isComparisonOp(op) || op == BinaryOperator::Sub); + // However, if a pointer is casted to an integer, EvalBinOpNN may end up + // calling this function with another operation (PR7527). We don't attempt to + // model this for now, but it could be useful, particularly when the + // "location" is actually an integer value that's been passed through a void*. + if (!(BinaryOperator::isComparisonOp(op) || op == BinaryOperator::Sub)) + return UnknownVal(); // Special cases for when both sides are identical. if (lhs == rhs) { |