[llvm-bugs] [Bug 37209] New: Assertio failure in clang::ento::SValBuilder::evalBinOp

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=37209

            Bug ID: 37209
           Summary: Assertio failure in
                    clang::ento::SValBuilder::evalBinOp
           Product: clang
           Version: unspecified
          Hardware: PC
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Static Analyzer
          Assignee: dcoughlin at apple.com
          Reporter: alexfh at google.com
                CC: llvm-bugs at lists.llvm.org

$ cat /tmp/q.cc
class C {};

template <typename T>
static T& frame_entry(char *re_frame) {
  return reinterpret_cast<T&>(*reinterpret_cast<int*>(re_frame));
}

void f(char *p, C *s) {
  frame_entry<const C*>(p) != s;
}

$ clang-tidy -checks=-*,clang-analyzer* /tmp/q.cc --
assertion failed at lib/StaticAnalyzer/Core/SValBuilder.cpp:420 in
clang::ento::SVal
clang::ento::SValBuilder::evalBinOp(clang::ento::ProgramStateRef,
BinaryOperator::Opcode, clang::ento::SVal, clang::ento::SVal, clang::QualType):
op == BO_Add
    @     0x55b5c59df426  __assert_fail
    @     0x55b5c374085c  clang::ento::SValBuilder::evalBinOp()
    @     0x55b5c37db199  clang::ento::ExprEngine::VisitBinaryOperator()
    @     0x55b5c37b60b2  clang::ento::ExprEngine::Visit()
    @     0x55b5c37b137e  clang::ento::ExprEngine::ProcessStmt()
    @     0x55b5c37b109b  clang::ento::ExprEngine::processCFGElement()
    @     0x55b5c37d5985  clang::ento::CoreEngine::HandlePostStmt()
    @     0x55b5c37d4ddd  clang::ento::CoreEngine::ExecuteWorkList()
    @     0x55b5c350a06c  (anonymous
namespace)::AnalysisConsumer::ActionExprEngine()
    @     0x55b5c3509be6  (anonymous namespace)::AnalysisConsumer::HandleCode()
    @     0x55b5c34f5bd4  (anonymous
namespace)::AnalysisConsumer::HandleTranslationUnit()
    @     0x55b5c3a8f78c  clang::MultiplexConsumer::HandleTranslationUnit()
    @     0x55b5c3c312e3  clang::ParseAST()

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