Assertion failed: ((t.isNull() || !t->isReferenceType()) && "Expressions can't have reference type"),

[Quuxplusone]

Bugzilla Link	PR22326
Status	NEW
Importance	P normal
Reported by	stephenry@gmail.com
Reported on	2015-01-24 21:11:40 -0800
Last modified on	2018-10-25 20:11:58 -0700
Version	3.5
Hardware	PC All
CC	david.majnemer@gmail.com, dgregor@apple.com, llvm-bugs@lists.llvm.org, richard-llvm@metafoo.co.uk
Fixed by commit(s)
Attachments	CursorInfo.cpp (9666 bytes, application/octet-stream) CursorInfo_PP.cpp (581592 bytes, application/octet-stream)
Blocks
Blocked by
See also

Created attachment 13731
Source file to cause crash

The following commands causes the above assertion to fail within clang. Using
BREW clang on MACOSX10.10.

Run using:
/usr/local/opt/llvm/bin/clang -fsyntax-only -Xclang -code-completion-macros -x
c++ -Xclang -code-completion-at=-:59:9 /tmp/rtags/src/CursorInfo.cpp

fatal error: cannot locate code-completion file <stdin>
Assertion failed: ((t.isNull() || !t->isReferenceType()) && "Expressions can't
have reference type"), function setType, file /private/tmp/llvm-yAEsf9/llvm-
3.5.1.src/tools/clang/lib/Sema/../../include/clang/AST/Expr.h, line 134.
0  libLLVM-3.5.dylib        0x00000001036eada0
llvm::sys::PrintStackTrace(__sFILE*) + 40
1  libLLVM-3.5.dylib        0x00000001036eb18b SignalHandler(int) + 248
2  libsystem_platform.dylib 0x00007fff86ff3f1a _sigtramp + 26
3  libsystem_platform.dylib 0x0000000000000002 _sigtramp + 2030092546
4  libLLVM-3.5.dylib        0x00000001036eaff2 abort + 22
5  libLLVM-3.5.dylib        0x00000001036eafdc abort + 0
6  clang                    0x000000010258539f
std::__1::__vector_base<std::__1::basic_string<char,
std::__1::char_traits<char>, std::__1::allocator<char> >,
std::__1::allocator<std::__1::basic_string<char, std::__1::char_traits<char>,
std::__1::allocator<char> > > >::~__vector_base() + 1195
7  clang                    0x0000000102586a34
std::__1::__tree<std::__1::__value_type<clang::QualType,
clang::CXXBaseSpecifier*>, std::__1::__map_value_compare<clang::QualType,
std::__1::__value_type<clang::QualType, clang::CXXBaseSpecifier*>,
clang::QualTypeOrdering, true>,
std::__1::allocator<std::__1::__value_type<clang::QualType,
clang::CXXBaseSpecifier*> >
>::destroy(std::__1::__tree_node<std::__1::__value_type<clang::QualType,
clang::CXXBaseSpecifier*>, void*>*) + 1032
8  clang                    0x000000010254b144
llvm::SmallVectorImpl<clang::sema::DelayedDiagnostic>::operator=(llvm::SmallVectorImpl<clang::sema::DelayedDiagnostic>&&)
+ 11666
9  clang                    0x0000000102415fea void
std::__1::__tree_right_rotate<std::__1::__tree_node_base<void*>*>(std::__1::__tree_node_base<void*>*)
+ 15002
10 clang                    0x0000000102415957 void
std::__1::__tree_right_rotate<std::__1::__tree_node_base<void*>*>(std::__1::__tree_node_base<void*>*)
+ 13319
11 clang                    0x000000010243089c void
std::__1::__tree_right_rotate<std::__1::__tree_node_base<void*>*>(std::__1::__tree_node_base<void*>*)
+ 123724
12 clang                    0x000000010242f81d void
std::__1::__tree_right_rotate<std::__1::__tree_node_base<void*>*>(std::__1::__tree_node_base<void*>*)
+ 119501
13 clang                    0x000000010241d89f void
std::__1::__tree_right_rotate<std::__1::__tree_node_base<void*>*>(std::__1::__tree_node_base<void*>*)
+ 45903
14 clang                    0x000000010246d82e
llvm::SmallVectorTemplateBase<clang::ParsedTemplateArgument,
false>::grow(unsigned long) + 22118
15 clang                    0x000000010246d63d
llvm::SmallVectorTemplateBase<clang::ParsedTemplateArgument,
false>::grow(unsigned long) + 21621
16 clang                    0x000000010246ce5f
llvm::SmallVectorTemplateBase<clang::ParsedTemplateArgument,
false>::grow(unsigned long) + 19607
17 clang                    0x000000010246c404
llvm::SmallVectorTemplateBase<clang::ParsedTemplateArgument,
false>::grow(unsigned long) + 16956
18 clang                    0x0000000102413cf5 void
std::__1::__tree_right_rotate<std::__1::__tree_node_base<void*>*>(std::__1::__tree_node_base<void*>*)
+ 6053
19 clang                    0x000000010219da31
std::__1::__tree<std::__1::__value_type<clang::edit::FileOffset,
clang::edit::EditedSource::FileEdit>,
std::__1::__map_value_compare<clang::edit::FileOffset,
std::__1::__value_type<clang::edit::FileOffset,
clang::edit::EditedSource::FileEdit>, std::__1::less<clang::edit::FileOffset>,
true>, std::__1::allocator<std::__1::__value_type<clang::edit::FileOffset,
clang::edit::EditedSource::FileEdit> >
>::destroy(std::__1::__tree_node<std::__1::__value_type<clang::edit::FileOffset,
clang::edit::EditedSource::FileEdit>, void*>*) + 4769
20 clang                    0x000000010217b51b
std::__1::__vector_base<clang::CompilerInstance*,
std::__1::allocator<clang::CompilerInstance*> >::~__vector_base() + 14371
21 clang                    0x000000010214df65
std::__1::enable_if<__is_forward_iterator<char const*>::value, void>::type
std::__1::basic_string<char, std::__1::char_traits<char>,
std::__1::allocator<char> >::__init<char const*>(char const*, char const*) +
3205
22 clang                    0x00000001021470bf
23 clang                    0x000000010214c65f
std::__1::__split_buffer<llvm::SourceMgr::SrcBuffer,
std::__1::allocator<llvm::SourceMgr::SrcBuffer>&>::~__split_buffer() + 6583
24 libdyld.dylib            0x00007fff83e835c9 start + 1
Stack dump:
0.  Program arguments: /usr/local/Cellar/llvm/3.5.1/bin/clang -cc1 -triple
x86_64-apple-macosx10.10.0 -fsyntax-only -disable-free -main-file-name
CursorInfo.cpp -mrelocation-model pic -pic-level 2 -mdisable-fp-elim -masm-
verbose -munwind-tables -target-cpu core2 -target-linker-version 241.9 -dwarf-
column-info -resource-dir /usr/local/Cellar/llvm/3.5.1/bin/../lib/clang/3.5.1 -
stdlib=libc++ -fdeprecated-macro -fdebug-compilation-dir /tmp/rtags/src -ferror-
limit 19 -fmessage-length 233 -stack-protector 1 -mstackrealign -fblocks -fobjc-
runtime=macosx-10.10.0 -fencode-extended-block-signature -fcxx-exceptions -
fexceptions -fdiagnostics-show-option -fcolor-diagnostics -code-completion-
macros -code-completion-at=-:59:9 -x c++ /tmp/rtags/src/CursorInfo.cpp
1.  /tmp/rtags/src/Location.h:165:69: current parser token ''
2.  /tmp/rtags/src/Location.h:51:1: parsing struct/union/class body 'Location'
clang: error: unable to execute command: Illegal instruction: 4
clang: error: clang frontend command failed due to signal (use -v to see
invocation)
clang version 3.5.1 (tags/RELEASE_351/final)
Target: x86_64-apple-darwin14.0.0
Thread model: posix
clang: note: diagnostic msg: PLEASE submit a bug report to
http://llvm.org/bugs/ and include the crash backtrace, preprocessed source, and
associated run script.
clang: error: unable to execute command: Illegal instruction: 4
clang: note: diagnostic msg: Error generating preprocessed source(s).

[Quuxplusone]

Attached CursorInfo.cpp (9666 bytes, application/octet-stream): Source file to cause crash

[Quuxplusone]

Please attach the preprocessed source code.

[Quuxplusone]

Attached CursorInfo_PP.cpp (581592 bytes, application/octet-stream): Preprocessed Source