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<base href="https://bugs.llvm.org/">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Crash in NonNullParamChecker / clang::ento::RangedConstraintManager::assumeSymUnsupported()"
href="https://bugs.llvm.org/show_bug.cgi?id=36381">36381</a>
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<tr>
<th>Summary</th>
<td>Crash in NonNullParamChecker / clang::ento::RangedConstraintManager::assumeSymUnsupported()
</td>
</tr>
<tr>
<th>Product</th>
<td>clang
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
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<th>OS</th>
<td>All
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>enhancement
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>Static Analyzer
</td>
</tr>
<tr>
<th>Assignee</th>
<td>dcoughlin@apple.com
</td>
</tr>
<tr>
<th>Reporter</th>
<td>alexfh@google.com
</td>
</tr>
<tr>
<th>CC</th>
<td>ekarpenkov@apple.com, llvm-bugs@lists.llvm.org
</td>
</tr></table>
<p>
<div>
<pre>Here's a test case I reduced manually from the output of creduce:
class C {};
void f(C i) {
auto lambda = [&] { f(i); };
typedef decltype(lambda) T;
static char *p;
T **pfn = static_cast<T **>(static_cast<void*>(&p));
*pfn = new T(lambda);
(**pfn)();
}
Stack trace:
clang::ento::RangedConstraintManager::assumeSymUnsupported
clang::ento::RangedConstraintManager::assumeSym
clang::ento::SimpleConstraintManager::assumeAux
clang::ento::SimpleConstraintManager::assume
clang::ento::SimpleConstraintManager::assume
clang::ento::ConstraintManager::assumeDual
::NonNullParamChecker::checkPreCall
clang::ento::check::PreCall::_checkCall
clang::ento::CheckerFn::operator()
::CheckCallContext::runChecker
expandGraphWithCheckers
clang::ento::CheckerManager::runCheckersForCallEvent
clang::ento::CheckerManager::runCheckersForPreCall
clang::ento::ExprEngine::VisitCXXConstructExpr
clang::ento::ExprEngine::Visit
clang::ento::ExprEngine::ProcessStmt
clang::ento::ExprEngine::processCFGElement
clang::ento::CoreEngine::HandlePostStmt
clang::ento::CoreEngine::ExecuteWorkList
::AnalysisConsumer::ActionExprEngine
::AnalysisConsumer::HandleCode
::AnalysisConsumer::HandleTranslationUnit</pre>
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</p>
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