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<head>
<base href="https://bugs.llvm.org/">
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<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Assertion failure in clang::ento::MemRegionManager::getElementRegion()"
href="https://bugs.llvm.org/show_bug.cgi?id=34309">34309</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>Assertion failure in clang::ento::MemRegionManager::getElementRegion()
</td>
</tr>
<tr>
<th>Product</th>
<td>clang
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux
</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>kremenek@apple.com
</td>
</tr>
<tr>
<th>Reporter</th>
<td>alexfh@google.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr></table>
<p>
<div>
<pre>$ cat /tmp/getElementRegion-crash.cc
struct {
int *n;
bool f(unsigned &p1) { p1 = (long)n - 1; }
} b;
unsigned a;
int c;
void g() { b.f(a) && a == c; }
$ clang_tidy -checks=-*,clang-analyzer-* /tmp/getElementRegion-crash.cc --
-std=c++11
assert.h assertion failed at llvm/tools/clang/include/clang/AST/Type.h:628 in
const clang::ExtQualsTypeCommonBase *clang::QualType::getCommonPtr() const:
!isNull() && "Cannot retrieve a NULL type pointer"
@ 0x53f0f5a __assert_fail
@ 0x5e9065 clang::QualType::getCommonPtr()
@ 0x5ddbe9 clang::QualType::getCanonicalType()
@ 0x1b4f5cc clang::ASTContext::getCanonicalType()
@ 0x2c50612 clang::ento::MemRegionManager::getElementRegion()
@ 0x2d07f58 (anonymous
namespace)::SimpleSValBuilder::evalBinOpLN()
@ 0x2bbbace clang::ento::SValBuilder::evalBinOp()
@ 0x2d09ab4 (anonymous
namespace)::SimpleSValBuilder::simplifySVal()::Simplifier::VisitSymIntExpr()
@ 0x2d09692 clang::ento::SymExprVisitor<>::Visit()
@ 0x2d093ea (anonymous
namespace)::SimpleSValBuilder::simplifySVal()::Simplifier::VisitNonLocSymbolVal()
@ 0x2d08f6b clang::ento::SValVisitor<>::Visit()
@ 0x2d0822f (anonymous
namespace)::SimpleSValBuilder::simplifySVal()
@ 0x2d056cc (anonymous
namespace)::SimpleSValBuilder::evalBinOpNN()
@ 0x2bbbd92 clang::ento::SValBuilder::evalBinOp()
@ 0x2cab136 clang::ento::ExprEngine::evalBinOp()
@ 0x2cd8320 clang::ento::ExprEngine::VisitBinaryOperator()
@ 0x2ca0a91 clang::ento::ExprEngine::Visit()
@ 0x2c9dea4 clang::ento::ExprEngine::ProcessStmt()
@ 0x2c9db6a clang::ento::ExprEngine::processCFGElement()
@ 0x2ccb526 clang::ento::CoreEngine::HandlePostStmt()
@ 0x2ccae23 clang::ento::CoreEngine::dispatchWorkItem()
@ 0x2cca9b8 clang::ento::CoreEngine::ExecuteWorkList()
@ 0x21227d5 clang::ento::ExprEngine::ExecuteWorkList()
@ 0x20cb182 (anonymous
namespace)::AnalysisConsumer::ActionExprEngine()
@ 0x20caf41 (anonymous
namespace)::AnalysisConsumer::RunPathSensitiveChecks()
@ 0x20cac05 (anonymous namespace)::AnalysisConsumer::HandleCode()
@ 0x20be323 (anonymous
namespace)::AnalysisConsumer::HandleDeclsCallGraph()
@ 0x20bc5a7 (anonymous
namespace)::AnalysisConsumer::HandleTranslationUnit()
@ 0x29d335e clang::MultiplexConsumer::HandleTranslationUnit()</pre>
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