Assertion failure in in PaddingChecker::visitRecord

[hokein]

Bugzilla Link	39971
Version	trunk
OS	Linux
CC	@devincoughlin,@haoNoQ

Extended Description

$ cat test-PaddingChecker__visitRecord.cc
namespace a {
template struct atomic { b c; };
}
typedef long d;
struct e {
alignas(64) a::atomic f;
d g;
alignas(64) a::atomic 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()

[hokein]

assigned to @haoNoQ

[llvmbot]

This is still reproducible.