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<base href="https://bugs.llvm.org/">
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<body><table border="1" cellspacing="0" cellpadding="8">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Assertion failure in in PaddingChecker::visitRecord"
href="https://bugs.llvm.org/show_bug.cgi?id=39971">39971</a>
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</tr>
<tr>
<th>Summary</th>
<td>Assertion failure in in PaddingChecker::visitRecord
</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>dcoughlin@apple.com
</td>
</tr>
<tr>
<th>Reporter</th>
<td>hokein@google.com
</td>
</tr>
<tr>
<th>CC</th>
<td>dcoughlin@apple.com, llvm-bugs@lists.llvm.org
</td>
</tr></table>
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<pre>$ cat test-PaddingChecker__visitRecord.cc
namespace a {
template <typename b> struct atomic { b c; };
}
typedef long d;
struct e {
alignas(64) a::atomic<d> f;
d g;
alignas(64) a::atomic<d> h;
char i[64 - sizeof(d)];
};
$ ./clang-tidy -checks="clang-analyzer*" test-PaddingChecker__visitRecord.cc --
-std=c++11
F1212 11:16:58.700911 40300 logging.cc:82] assert.h assertion failed at
third_party/llvm/llvm/tools/clang/lib/StaticAnalyzer/Checkers/PaddingChecker.cpp:108
in void (anonymous namespace)::PaddingChecker::visitRecord(const
clang::RecordDecl *, uint64_t) const: !DiffPad.isNegative() && "DiffPad should
not be negative"
*** Check failure stack trace: ***
@ 0x5630d023a4f9 (anonymous namespace)::PaddingChecker::visitRecord()
@ 0x5630d022a00d clang::RecursiveASTVisitor<>::TraverseCXXRecordDecl()
@ 0x5630d0225c8b clang::RecursiveASTVisitor<>::TraverseDecl()
@ 0x5630d022c1d9
clang::RecursiveASTVisitor<>::TraverseTranslationUnitDecl()
@ 0x5630d0225f4c clang::RecursiveASTVisitor<>::TraverseDecl()
@ 0x5630d02243f7 clang::ento::check::ASTDecl<>::_checkDecl<>()
@ 0x5630d04812bf clang::ento::CheckerManager::runCheckersOnASTDecl()
@ 0x5630d019f6d9 (anonymous
namespace)::AnalysisConsumer::HandleTranslationUnit()
@ 0x5630d071320c clang::MultiplexConsumer::HandleTranslationUnit()
@ 0x5630d08ce414 clang::ParseAST()
@ 0x5630d070cd63 clang::FrontendAction::Execute()
@ 0x5630d05c17e1 clang::CompilerInstance::ExecuteAction()
@ 0x5630d051a7d1
clang::tooling::FrontendActionFactory::runInvocation()
@ 0x5630cfe1cc27
clang::tidy::runClangTidy()::ActionFactory::runInvocation()
@ 0x5630d051a53a clang::tooling::ToolInvocation::runInvocation()
@ 0x5630d0519f26 clang::tooling::ToolInvocation::run()
@ 0x5630d051c625 clang::tooling::ClangTool::run()
@ 0x5630cfe1896f clang::tidy::runClangTidy()</pre>
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