https://bugs.llvm.org/show_bug.cgi?id=47522
Bug ID: 47522
Summary: Assertion `isHandleInSync() && "invalid iterator
access!"' failed
Product: lldb
Version: unspecified
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: All Bugs
Assignee: lldb-dev@lists.llvm.org
Reporter: dmanti...@yandex.ru
CC: jdevliegh...@apple.com, llvm-b...@lists.llvm.org
Attempt to complete symbol name produces the following crash:
sysroot@/home/antipov/llvm> /home/antipov/.local/llvm-devel-12.0.0/bin/lldb
/home/antipov/.local/llvm-devel-12.0.0/bin/clang
(lldb) target create "/home/antipov/.local/llvm-devel-12.0.0/bin/clang"
Current executable set to '/home/antipov/.local/llvm-devel-12.0.0/bin/clang'
(x86_64).
(lldb) breakpoint set -f Gnu.cpp -l 1958
Breakpoint 1: no locations (pending).
WARNING: Unable to resolve breakpoint to any actual locations.
(lldb) process launch -- -xc++ /dev/null
Process 1028276 launched: '/home/antipov/.local/llvm-devel-12.0.0/bin/clang'
(x86_64)
1 location added to breakpoint 1
Process 1028276 stopped
* thread #1, name = 'clang', stop reason = breakpoint 1.1
frame #0: 0x7693c6ac
libclang-cpp.so.12git`clang::driver::toolchains::Generic_GCC::GCCInstallationDetector::init(this=0x00499aa0,
TargetTriple=, Args=, ExtraTripleAliases=(Data =
0x, Length = 0)) at Gnu.cpp:1958:12
1955 }
1956 for (StringRef Suffix : CandidateBiarchLibDirs) {
1957 const std::string LibDir = Prefix + Suffix.str();
-> 1958 if (!D.getVFS().exists(LibDir))
1959 continue;
1960 for (StringRef Candidate : CandidateBiarchTripleAliases)
1961 ScanLibDirForGCCTriple(TargetTriple, Args, LibDir, Candidate,
(lldb) p Can[THEN PRESS TAB HERE]
==>
lldb: /home/antipov/llvm/source/llvm/include/llvm/ADT/DenseMap.h:1263:
DenseMapIterator
::DenseMapIterator,
llvm::detail::DenseMapPair,
false>::operator++() [KeyT = clang::DeclarationName, ValueT =
clang::StoredDeclsList, KeyInfoT = llvm::DenseMapInfo,
Bucket = llvm::detail::DenseMapPair, IsConst = false]: Assertion `isHandleInSync() &&
"invalid iterator access!"' failed.
PLEASE submit a bug report to https://bugs.llvm.org/ and include the crash
backtrace.
Stack dump:
0. Program arguments: /home/antipov/.local/llvm-devel-12.0.0/bin/lldb
/home/antipov/.local/llvm-devel-12.0.0/bin/clang
1. :1:1: current parser token 'Can'
2. :42:1: parsing function body
'clang::driver::toolchains::Generic_GCC::GCCInstallationDetector::$__lldb_expr'
3. :42:1: in compound statement ('{}')
#0 0x7f0367b537b3 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int)
/home/antipov/llvm/source/llvm/lib/Support/Unix/Signals.inc:563:13
#1 0x7f0367b51b00 llvm::sys::RunSignalHandlers()
/home/antipov/llvm/source/llvm/lib/Support/Signals.cpp:71:18
#2 0x7f0367b53ae5 SignalHandler(int)
/home/antipov/llvm/source/llvm/lib/Support/Unix/Signals.inc:0:3
#3 0x7f0371c0da90 __restore_rt (/lib64/libpthread.so.0+0x14a90)
#4 0x7f0366ab89e5 raise (/lib64/libc.so.6+0x3c9e5)
#5 0x7f0366aa1895 abort (/lib64/libc.so.6+0x25895)
#6 0x7f0366aa1769 _nl_load_domain.cold (/lib64/libc.so.6+0x25769)
#7 0x7f0366ab0e76 (/lib64/libc.so.6+0x34e76)
#8 0x7f036dd8af09 llvm::DenseMapIterator,
llvm::detail::DenseMapPair,
false>::operator!=(llvm::DenseMapIterator,
llvm::detail::DenseMapPair,
true> const&) const
/home/antipov/llvm/source/llvm/include/llvm/ADT/DenseMap.h:1257:5
#9 0x7f036dd8af09 clang::DeclContext::all_lookups_iterator::operator++()
/home/antipov/llvm/source/llvm/tools/clang/include/clang/AST/DeclLookups.h:54:17
#10 0x7f036e8300fd (anonymous
namespace)::LookupVisibleHelper::lookupInDeclContext(clang::DeclContext*,
clang::LookupResult&, bool, bool)
/home/antipov/llvm/source/llvm/tools/clang/lib/Sema/SemaLookup.cpp:0:36
#11 0x7f036e82f984 (anonymous
namespace)::LookupVisibleHelper::lookupInScope(clang::Scope*,
clang::LookupResult&, (anonymous namespace)::UnqualUsingDirectiveSet&)
/home/antipov/llvm/source/llvm/tools/clang/lib/Sema/SemaLookup.cpp:0:9
#12 0x7f036e824f4f
std::__cxx11::list,
llvm::DenseMapInfo,
llvm::detail::DenseMapPair > >,
std::allocator,
llvm::DenseMapInfo,
llvm::detail::DenseMapPair > > > >::pop_back()
/usr/lib/gcc/x86_64-redhat-linux/10/../../../../include/c++/10/bits/stl_list.h:1247:55
#13 0x7f036e824f4f (anonymous
namespace)::ShadowContextRAII::~ShadowContextRAII()
/home/antipov/llvm/source/llvm/tools/clang/lib/Sema/SemaLookup.cpp:3603:24
#14 0x7f036e824f4f (anonymous
namespace)::LookupVisibleHelper::lookupVisibleDecls(clang::Sema&,
clang::Scope*, clang::Sema::LookupNameKind, bool)
/home/antipov/llvm/source/llvm/tools/clang/lib/Sema/SemaLookup.cpp:3683:3
#15 0x7f036e824f4f clang::Sema::LookupVisibleDecls(clang::Scope*,
clang::Sema::LookupNameKind,
