[llvm-bugs] [Bug 51192] New: typename llvm::cast_retty<X, Y*>::ret_type llvm::cast(Y*) [with X = clang::CXXRecordDecl; Y = clang::DeclContext; typename llvm::cast_retty<X, Y*>::ret_type = clang::CXXRecordDecl*]: Assertion `isa<X>(Val) && "cast<Ty>() argument of incompatible type!"' f
via llvm-bugs
llvm-bugs at lists.llvm.org
Fri Jul 23 12:48:57 PDT 2021
https://bugs.llvm.org/show_bug.cgi?id=51192
Bug ID: 51192
Summary: typename llvm::cast_retty<X, Y*>::ret_type
llvm::cast(Y*) [with X = clang::CXXRecordDecl; Y =
clang::DeclContext; typename llvm::cast_retty<X,
Y*>::ret_type = clang::CXXRecordDecl*]: Assertion
`isa<X>(Val) && "cast<Ty>() argument of incompatible
type!"' f
Product: clang
Version: trunk
Hardware: PC
OS: All
Status: NEW
Severity: enhancement
Priority: P
Component: -New Bugs
Assignee: unassignedclangbugs at nondot.org
Reporter: cnsun at uwaterloo.ca
CC: htmldeveloper at gmail.com, llvm-bugs at lists.llvm.org,
neeilans at live.com, richard-llvm at metafoo.co.uk
$ clang-trunk -v
clang version 13.0.0 (https://github.com/llvm/llvm-project.git
ab5ac659c81a453a3f58df94f39fe8ba3cd35918)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /home/cnsun/usr/bin
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/10
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/8
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/9
Selected GCC installation: /usr/lib/gcc/x86_64-linux-gnu/10
Candidate multilib: .;@m64
Candidate multilib: 32;@m32
Candidate multilib: x32;@mx32
Selected multilib: .;@m64
$ cat mutant.c
union {
struct {
char x;
} char z[x];
};
$ clang-trunk mutant.c
mutant.c:4:4: error: expected ';' after struct
} char z[x];
^
;
clang-13:
/tmp/tmp.Gcp8nSn9Hr-clang-builder/llvm-project/llvm/include/llvm/Support/Casting.h:269:
typename llvm::cast_retty<X, Y*>::ret_type llvm::cast(Y*) [with X =
clang::CXXRecordDecl; Y = clang::DeclContext; typename llvm::cast_retty<X,
Y*>::ret_type = clang::CXXRecordDecl*]: Assertion `isa<X>(Val) && "cast<Ty>()
argument of incompatible type!"' failed.
PLEASE submit a bug report to https://bugs.llvm.org/ and include the crash
backtrace, preprocessed source, and associated run script.
Stack dump:
0. Program arguments: /scratch/software/clang-trunk/bin/clang-13 -cc1
-triple x86_64-unknown-linux-gnu -emit-obj -mrelax-all --mrelax-relocations
-disable-free -main-file-name mutant.c -mrelocation-model static
-mframe-pointer=all -fmath-errno -fno-rounding-math -mconstructor-aliases
-munwind-tables -target-cpu x86-64 -tune-cpu generic -debugger-tuning=gdb
-fcoverage-compilation-dir=/scratch/cnsun/workspace/perses-fuzzer/temp_testing_campaigns/default_finding_folder_c/crash_20210715_061514_6d58/delta/perses_result
-resource-dir /scratch/software/clang-trunk/lib/clang/13.0.0 -c-isystem .
-c-isystem /usr/local/include/cmsith -internal-isystem
/scratch/software/clang-trunk/lib/clang/13.0.0/include -internal-isystem
/usr/local/include -internal-isystem
/usr/lib/gcc/x86_64-linux-gnu/10/../../../../x86_64-linux-gnu/include
-internal-externc-isystem /usr/include/x86_64-linux-gnu
-internal-externc-isystem /include -internal-externc-isystem /usr/include
-fdebug-compilation-dir=/scratch/cnsun/workspace/perses-fuzzer/temp_testing_campaigns/default_finding_folder_c/crash_20210715_061514_6d58/delta/perses_result
-ferror-limit 19 -fgnuc-version=4.2.1 -faddrsig -D__GCC_HAVE_DWARF2_CFI_ASM=1
-o /tmp/mutant-475b95.o -x c mutant.c
1. mutant.c:4:13: current parser token ']'
2. mutant.c:1:1: parsing struct/union body '(anonymous)'
#0 0x00005634745f8754 PrintStackTraceSignalHandler(void*) Signals.cpp:0:0
#1 0x00005634745f5e6e SignalHandler(int) Signals.cpp:0:0
#2 0x00007efc49de13c0 __restore_rt
(/lib/x86_64-linux-gnu/libpthread.so.0+0x153c0)
#3 0x00007efc4988018b raise
/build/glibc-ZN95T4/glibc-2.31/signal/../sysdeps/unix/sysv/linux/raise.c:51:1
#4 0x00007efc4985f859 abort /build/glibc-ZN95T4/glibc-2.31/stdlib/abort.c:81:7
#5 0x00007efc4985f729 get_sysdep_segment_value
/build/glibc-ZN95T4/glibc-2.31/intl/loadmsgcat.c:509:8
#6 0x00007efc4985f729 _nl_load_domain
/build/glibc-ZN95T4/glibc-2.31/intl/loadmsgcat.c:970:34
#7 0x00007efc49870f36 (/lib/x86_64-linux-gnu/libc.so.6+0x36f36)
#8 0x0000563476e3e17b
clang::Sema::BuildPossibleImplicitMemberExpr(clang::CXXScopeSpec const&,
clang::SourceLocation, clang::LookupResult&, clang::TemplateArgumentListInfo
const*, clang::Scope const*, clang::UnresolvedLookupExpr*)
(/scratch/software/clang-trunk/bin/clang-13+0x636b17b)
#9 0x0000563476ce7a27 clang::Sema::ActOnIdExpression(clang::Scope*,
clang::CXXScopeSpec&, clang::SourceLocation, clang::UnqualifiedId&, bool, bool,
clang::CorrectionCandidateCallback*, bool, clang::Token*)
(/scratch/software/clang-trunk/bin/clang-13+0x6214a27)
#10 0x00005634768ad977
clang::Parser::ParseCastExpression(clang::Parser::CastParseKind, bool, bool&,
clang::Parser::TypeCastState, bool, bool*)
(/scratch/software/clang-trunk/bin/clang-13+0x5dda977)
#11 0x00005634768afa1b
clang::Parser::ParseCastExpression(clang::Parser::CastParseKind, bool,
clang::Parser::TypeCastState, bool, bool*)
(/scratch/software/clang-trunk/bin/clang-13+0x5ddca1b)
#12 0x00005634768afabd
clang::Parser::ParseAssignmentExpression(clang::Parser::TypeCastState)
(/scratch/software/clang-trunk/bin/clang-13+0x5ddcabd)
#13 0x000056347688a7d9
clang::Parser::ParseBracketDeclarator(clang::Declarator&)
(/scratch/software/clang-trunk/bin/clang-13+0x5db77d9)
#14 0x000056347688f323 clang::Parser::ParseDirectDeclarator(clang::Declarator&)
(/scratch/software/clang-trunk/bin/clang-13+0x5dbc323)
#15 0x0000563476877f98
clang::Parser::ParseDeclaratorInternal(clang::Declarator&, void
(clang::Parser::*)(clang::Declarator&))
(/scratch/software/clang-trunk/bin/clang-13+0x5da4f98)
#16 0x0000563476889634
clang::Parser::ParseStructDeclaration(clang::ParsingDeclSpec&,
llvm::function_ref<void (clang::ParsingFieldDeclarator&)>)
(/scratch/software/clang-trunk/bin/clang-13+0x5db6634)
#17 0x0000563476889ddf
clang::Parser::ParseStructUnionBody(clang::SourceLocation,
clang::TypeSpecifierType, clang::RecordDecl*)
(/scratch/software/clang-trunk/bin/clang-13+0x5db6ddf)
#18 0x00005634768a5996
clang::Parser::ParseClassSpecifier(clang::tok::TokenKind,
clang::SourceLocation, clang::DeclSpec&, clang::Parser::ParsedTemplateInfo
const&, clang::AccessSpecifier, bool, clang::Parser::DeclSpecContext,
clang::ParsedAttributesWithRange&)
(/scratch/software/clang-trunk/bin/clang-13+0x5dd2996)
#19 0x00005634768846e5
clang::Parser::ParseDeclarationSpecifiers(clang::DeclSpec&,
clang::Parser::ParsedTemplateInfo const&, clang::AccessSpecifier,
clang::Parser::DeclSpecContext, clang::Parser::LateParsedAttrList*)
(/scratch/software/clang-trunk/bin/clang-13+0x5db16e5)
#20 0x0000563476855fd3
clang::Parser::ParseDeclOrFunctionDefInternal(clang::ParsedAttributesWithRange&,
clang::ParsingDeclSpec&, clang::AccessSpecifier)
(/scratch/software/clang-trunk/bin/clang-13+0x5d82fd3)
#21 0x0000563476856761
clang::Parser::ParseDeclarationOrFunctionDefinition(clang::ParsedAttributesWithRange&,
clang::ParsingDeclSpec*, clang::AccessSpecifier) (.part.0) Parser.cpp:0:0
#22 0x000056347685cf87
clang::Parser::ParseExternalDeclaration(clang::ParsedAttributesWithRange&,
clang::ParsingDeclSpec*) (/scratch/software/clang-trunk/bin/clang-13+0x5d89f87)
#23 0x000056347685e51e
clang::Parser::ParseTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&, bool)
(/scratch/software/clang-trunk/bin/clang-13+0x5d8b51e)
#24 0x000056347685e8c9
clang::Parser::ParseFirstTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&)
(/scratch/software/clang-trunk/bin/clang-13+0x5d8b8c9)
#25 0x0000563476850d1a clang::ParseAST(clang::Sema&, bool, bool)
(/scratch/software/clang-trunk/bin/clang-13+0x5d7dd1a)
#26 0x000056347578b2f8 clang::CodeGenAction::ExecuteAction()
(/scratch/software/clang-trunk/bin/clang-13+0x4cb82f8)
#27 0x0000563475029419 clang::FrontendAction::Execute()
(/scratch/software/clang-trunk/bin/clang-13+0x4556419)
#28 0x0000563474fbf07e
clang::CompilerInstance::ExecuteAction(clang::FrontendAction&)
(/scratch/software/clang-trunk/bin/clang-13+0x44ec07e)
#29 0x0000563475107710
clang::ExecuteCompilerInvocation(clang::CompilerInstance*)
(/scratch/software/clang-trunk/bin/clang-13+0x4634710)
#30 0x0000563471e7315d cc1_main(llvm::ArrayRef<char const*>, char const*,
void*) (/scratch/software/clang-trunk/bin/clang-13+0x13a015d)
#31 0x0000563471e6f4a8 ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&)
driver.cpp:0:0
#32 0x0000563471d9a126 main
(/scratch/software/clang-trunk/bin/clang-13+0x12c7126)
#33 0x00007efc498610b3 __libc_start_main
/build/glibc-ZN95T4/glibc-2.31/csu/../csu/libc-start.c:342:3
#34 0x0000563471e6f01e _start
(/scratch/software/clang-trunk/bin/clang-13+0x139c01e)
clang-13: error: unable to execute command: Aborted (core dumped)
clang-13: error: clang frontend command failed due to signal (use -v to see
invocation)
clang version 13.0.0 (https://github.com/llvm/llvm-project.git
ab5ac659c81a453a3f58df94f39fe8ba3cd35918)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /home/cnsun/usr/bin
clang-13: note: diagnostic msg:
********************
PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
Preprocessed source(s) and associated run script(s) are located at:
clang-13: note: diagnostic msg: /tmp/mutant-19f4ac.c
clang-13: note: diagnostic msg: /tmp/mutant-19f4ac.sh
clang-13: note: diagnostic msg:
********************
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