search

Quuxplusone / LLVMBugzillaTest

0 stars 0 forks source link

Assertion `TypeSize == Context.getTypeSize(Context.CharTy) && "Unhandled vector element size in vector compare"' failed. #35504

Open Quuxplusone opened 6 years ago

Quuxplusone commented 6 years ago
Bugzilla Link PR36531
Status NEW
Importance P enhancement
Reported by Suhua Lei (shlei930@gmail.com)
Reported on 2018-02-26 17:46:51 -0800
Last modified on 2021-06-23 20:08:55 -0700
Version trunk
Hardware PC All
CC cnsun@uwaterloo.ca, llvm-bugs@lists.llvm.org
Fixed by commit(s)
Attachments
Blocks
Blocked by
See also 
$ clang-trunk -v
clang version 7.0.0 (trunk 326083)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /usr/local/bin

$ clang-trunk abc.c
clang-7.0:
/home/suhua/compilers/trunk/llvm/tools/clang/lib/Sema/SemaExpr.cpp:10124:
clang::QualType clang::Sema::GetSignedVectorType(clang::QualType): Assertion
`TypeSize == Context.getTypeSize(Context.CharTy) && "Unhandled vector element
size in vector compare"' failed.
#0 0x000000000232082a llvm::sys::PrintStackTrace(llvm::raw_ostream&)
(/home/suhua/compilers/trunk/root-clang/bin/clang-7.0+0x232082a)
#1 0x000000000231e89e llvm::sys::RunSignalHandlers()
(/home/suhua/compilers/trunk/root-clang/bin/clang-7.0+0x231e89e)
#2 0x000000000231ea02 SignalHandler(int) (/home/suhua/compilers/trunk/root-
clang/bin/clang-7.0+0x231ea02)
#3 0x00007f3db2892390 __restore_rt (/lib/x86_64-linux-
gnu/libpthread.so.0+0x11390)
#4 0x00007f3db15fd428 gsignal /build/glibc-Cl5G7W/glibc-
2.23/signal/../sysdeps/unix/sysv/linux/raise.c:54:0
#5 0x00007f3db15ff02a abort /build/glibc-Cl5G7W/glibc-2.23/stdlib/abort.c:91:0
#6 0x00007f3db15f5bd7 __assert_fail_base /build/glibc-Cl5G7W/glibc-
2.23/assert/assert.c:92:0
#7 0x00007f3db15f5c82 (/lib/x86_64-linux-gnu/libc.so.6+0x2dc82)
#8 0x00000000032b7ab5 (/home/suhua/compilers/trunk/root-clang/bin/clang-
7.0+0x32b7ab5)
#9 0x00000000032dcebd
clang::Sema::CheckVectorCompareOperands(clang::ActionResult<clang::Expr*,
true>&, clang::ActionResult<clang::Expr*, true>&, clang::SourceLocation,
clang::BinaryOperatorKind) (/home/suhua/compilers/trunk/root-clang/bin/clang-
7.0+0x32dcebd)
#10 0x00000000032dff84
clang::Sema::CheckCompareOperands(clang::ActionResult<clang::Expr*, true>&,
clang::ActionResult<clang::Expr*, true>&, clang::SourceLocation,
clang::BinaryOperatorKind, bool) (/home/suhua/compilers/trunk/root-
clang/bin/clang-7.0+0x32dff84)
#11 0x00000000032e29e2 clang::Sema::CreateBuiltinBinOp(clang::SourceLocation,
clang::BinaryOperatorKind, clang::Expr*, clang::Expr*)
(/home/suhua/compilers/trunk/root-clang/bin/clang-7.0+0x32e29e2)
#12 0x00000000032e3537 clang::Sema::BuildBinOp(clang::Scope*,
clang::SourceLocation, clang::BinaryOperatorKind, clang::Expr*, clang::Expr*)
(/home/suhua/compilers/trunk/root-clang/bin/clang-7.0+0x32e3537)
#13 0x00000000032e3af6 clang::Sema::ActOnBinOp(clang::Scope*,
clang::SourceLocation, clang::tok::TokenKind, clang::Expr*, clang::Expr*)
(/home/suhua/compilers/trunk/root-clang/bin/clang-7.0+0x32e3af6)
#14 0x0000000002f6f36c
clang::Parser::ParseRHSOfBinaryExpression(clang::ActionResult<clang::Expr*,
true>, clang::prec::Level) (/home/suhua/compilers/trunk/root-clang/bin/clang-
7.0+0x2f6f36c)
#15 0x0000000002f6efac
clang::Parser::ParseAssignmentExpression(clang::Parser::TypeCastState)
(/home/suhua/compilers/trunk/root-clang/bin/clang-7.0+0x2f6efac)
#16 0x0000000002f4047f
clang::Parser::ParseDeclarationAfterDeclaratorAndAttributes(clang::Declarator&,
clang::Parser::ParsedTemplateInfo const&, clang::Parser::ForRangeInit*)
(/home/suhua/compilers/trunk/root-clang/bin/clang-7.0+0x2f4047f)
#17 0x0000000002f5154e clang::Parser::ParseDeclGroup(clang::ParsingDeclSpec&,
clang::DeclaratorContext, clang::SourceLocation*, clang::Parser::ForRangeInit*)
(/home/suhua/compilers/trunk/root-clang/bin/clang-7.0+0x2f5154e)
#18 0x0000000002f54714
clang::Parser::ParseSimpleDeclaration(clang::DeclaratorContext,
clang::SourceLocation&, clang::Parser::ParsedAttributesWithRange&, bool,
clang::Parser::ForRangeInit*) (/home/suhua/compilers/trunk/root-clang/bin/clang-
7.0+0x2f54714)
#19 0x0000000002f549cd
clang::Parser::ParseDeclaration(clang::DeclaratorContext,
clang::SourceLocation&, clang::Parser::ParsedAttributesWithRange&)
(/home/suhua/compilers/trunk/root-clang/bin/clang-7.0+0x2f549cd)
#20 0x0000000002fa8528
clang::Parser::ParseStatementOrDeclarationAfterAttributes(llvm::SmallVector<clang::Stmt*,
32u>&, clang::Parser::AllowedConstructsKind, clang::SourceLocation*,
clang::Parser::ParsedAttributesWithRange&) (/home/suhua/compilers/trunk/root-
clang/bin/clang-7.0+0x2fa8528)
#21 0x0000000002fa867e
clang::Parser::ParseStatementOrDeclaration(llvm::SmallVector<clang::Stmt*,
32u>&, clang::Parser::AllowedConstructsKind, clang::SourceLocation*)
(/home/suhua/compilers/trunk/root-clang/bin/clang-7.0+0x2fa867e)
#22 0x0000000002fab7af clang::Parser::ParseCompoundStatementBody(bool)
(/home/suhua/compilers/trunk/root-clang/bin/clang-7.0+0x2fab7af)
#23 0x0000000002fad53f clang::Parser::ParseFunctionStatementBody(clang::Decl*,
clang::Parser::ParseScope&) (/home/suhua/compilers/trunk/root-clang/bin/clang-
7.0+0x2fad53f)
#24 0x0000000002f32f29
clang::Parser::ParseFunctionDefinition(clang::ParsingDeclarator&,
clang::Parser::ParsedTemplateInfo const&, clang::Parser::LateParsedAttrList*)
(/home/suhua/compilers/trunk/root-clang/bin/clang-7.0+0x2f32f29)
#25 0x0000000002f51a57 clang::Parser::ParseDeclGroup(clang::ParsingDeclSpec&,
clang::DeclaratorContext, clang::SourceLocation*, clang::Parser::ForRangeInit*)
(/home/suhua/compilers/trunk/root-clang/bin/clang-7.0+0x2f51a57)
#26 0x0000000002f2ff02
clang::Parser::ParseDeclOrFunctionDefInternal(clang::Parser::ParsedAttributesWithRange&,
clang::ParsingDeclSpec&, clang::AccessSpecifier)
(/home/suhua/compilers/trunk/root-clang/bin/clang-7.0+0x2f2ff02)
#27 0x0000000002f306ae
clang::Parser::ParseDeclarationOrFunctionDefinition(clang::Parser::ParsedAttributesWithRange&,
clang::ParsingDeclSpec*, clang::AccessSpecifier)
(/home/suhua/compilers/trunk/root-clang/bin/clang-7.0+0x2f306ae)
#28 0x0000000002f33f88
clang::Parser::ParseExternalDeclaration(clang::Parser::ParsedAttributesWithRange&,
clang::ParsingDeclSpec*) (/home/suhua/compilers/trunk/root-clang/bin/clang-
7.0+0x2f33f88)
#29 0x0000000002f34fc2
clang::Parser::ParseTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&)
(/home/suhua/compilers/trunk/root-clang/bin/clang-7.0+0x2f34fc2)
#30 0x0000000002f35192
clang::Parser::ParseFirstTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&)
(/home/suhua/compilers/trunk/root-clang/bin/clang-7.0+0x2f35192)
#31 0x0000000002f2d193 clang::ParseAST(clang::Sema&, bool, bool)
(/home/suhua/compilers/trunk/root-clang/bin/clang-7.0+0x2f2d193)
#32 0x0000000002d0323f clang::CodeGenAction::ExecuteAction()
(/home/suhua/compilers/trunk/root-clang/bin/clang-7.0+0x2d0323f)
#33 0x0000000002896216 clang::FrontendAction::Execute()
(/home/suhua/compilers/trunk/root-clang/bin/clang-7.0+0x2896216)
#34 0x000000000286b61e
clang::CompilerInstance::ExecuteAction(clang::FrontendAction&)
(/home/suhua/compilers/trunk/root-clang/bin/clang-7.0+0x286b61e)
#35 0x000000000292a972
clang::ExecuteCompilerInvocation(clang::CompilerInstance*)
(/home/suhua/compilers/trunk/root-clang/bin/clang-7.0+0x292a972)
#36 0x0000000000c8f268 cc1_main(llvm::ArrayRef<char const*>, char const*,
void*) (/home/suhua/compilers/trunk/root-clang/bin/clang-7.0+0xc8f268)
#37 0x0000000000c13b71 main (/home/suhua/compilers/trunk/root-clang/bin/clang-
7.0+0xc13b71)
#38 0x00007f3db15e8830 __libc_start_main /build/glibc-Cl5G7W/glibc-
2.23/csu/../csu/libc-start.c:325:0
#39 0x0000000000c89f19 _start (/home/suhua/compilers/trunk/root-clang/bin/clang-
7.0+0xc89f19)
Stack dump:
0.  Program arguments: /home/suhua/compilers/trunk/root-clang/bin/clang-7.0 -cc1
-triple x86_64-unknown-linux-gnu -emit-obj -mrelax-all -disable-free -main-file-
name abc.c -mrelocation-model static -mthread-model posix -mdisable-fp-elim -
fmath-errno -masm-verbose -mconstructor-aliases -munwind-tables -fuse-init-
array -target-cpu x86-64 -dwarf-column-info -debugger-tuning=gdb -resource-dir
/home/suhua/compilers/trunk/root-clang/lib/clang/7.0.0 -c-isystem . -c-isystem
/usr/local/include/csmith-2.3.0/ -c-isystem
/home/suhua/media_disk/home/klee/include/klee -internal-isystem
/usr/local/include -internal-isystem /home/suhua/compilers/trunk/root-
clang/lib/clang/7.0.0/include -internal-externc-isystem /usr/include/x86_64-
linux-gnu -internal-externc-isystem /include -internal-externc-isystem
/usr/include -fdebug-compilation-dir /home/suhua/Documents/VPT/reduce/bug12 -
ferror-limit 19 -fmessage-length 140 -fobjc-runtime=gcc -fdiagnostics-show-
option -fcolor-diagnostics -o /tmp/abc-650d60.o -x c abc.c
1.  abc.c:3:21: current parser token ';'
2.  abc.c:1:11: parsing function body 'fn1'
3.  abc.c:1:11: in compound statement ('{}')
clang-7.0: error: unable to execute command: Aborted
clang-7.0: error: clang frontend command failed due to signal (use -v to see
invocation)
clang version 7.0.0 (trunk 326083)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /usr/local/bin
clang-7.0: note: diagnostic msg: PLEASE submit a bug report to
https://bugs.llvm.org/ and include the crash backtrace, preprocessed source,
and associated run script.
clang-7.0: note: diagnostic msg:
********************

PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
Preprocessed source(s) and associated run script(s) are located at:
clang-7.0: note: diagnostic msg: /tmp/abc-838add.c
clang-7.0: note: diagnostic msg: /tmp/abc-838add.sh
clang-7.0: note: diagnostic msg:

********************

$ cat abc.c
int fn1() {
  __attribute__((__vector_size__(sizeof(__int128)))) __int128 v64u128_2 =
      0 != v64u128_2;
}
Quuxplusone commented 3 years ago 
A duplicate.

$ clang-trunk -v
clang version 13.0.0 (https://github.com/llvm/llvm-project.git
5c8659801a4976ef2b327f4071d98086efd42a36)
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
foo() {
  __attribute__((__vector_size__(4 * sizeof(unsigned)))) __int128 b;
  0 != b;
}

$ clang-trunk  mutant.c
mutant.c:1:1: warning: type specifier missing, defaults to 'int' [-Wimplicit-
int]
foo() {
^
clang-13: /tmp/tmp.FIfHBNID2p-clang-builder/llvm-
project/clang/lib/Sema/SemaExpr.cpp:12190: clang::QualType
clang::Sema::GetSignedVectorType(clang::QualType): Assertion `TypeSize ==
Context.getTypeSize(Context.CharTy) && "Unhandled vector element size in vector
compare"' 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/default_c_finding_folder/crash_20210623_150622_0392/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/default_c_finding_folder/crash_20210623_150622_0392/delta/perses_result -
ferror-limit 19 -fgnuc-version=4.2.1 -faddrsig -D__GCC_HAVE_DWARF2_CFI_ASM=1 -o
/tmp/mutant-2fc2bc.o -x c mutant.c
1.  mutant.c:3:9: current parser token ';'
2.  mutant.c:1:7: parsing function body 'foo'
3.  mutant.c:1:7: in compound statement ('{}')
 #0 0x0000555dfcd6cc64 PrintStackTraceSignalHandler(void*) Signals.cpp:0:0
 #1 0x0000555dfcd6a41e SignalHandler(int) Signals.cpp:0:0
 #2 0x00007fb2114223c0 __restore_rt (/lib/x86_64-linux-gnu/libpthread.so.0+0x153c0)
 #3 0x00007fb210ec118b raise /build/glibc-ZN95T4/glibc-2.31/signal/../sysdeps/unix/sysv/linux/raise.c:51:1
 #4 0x00007fb210ea0859 abort /build/glibc-ZN95T4/glibc-2.31/stdlib/abort.c:81:7
 #5 0x00007fb210ea0729 get_sysdep_segment_value /build/glibc-ZN95T4/glibc-2.31/intl/loadmsgcat.c:509:8
 #6 0x00007fb210ea0729 _nl_load_domain /build/glibc-ZN95T4/glibc-2.31/intl/loadmsgcat.c:970:34
 #7 0x00007fb210eb1f36 (/lib/x86_64-linux-gnu/libc.so.6+0x36f36)
 #8 0x0000555dff3ad43b clang::Sema::GetSignedVectorType(clang::QualType) (/scratch/software/clang-trunk/bin/clang-13+0x5f8f43b)
 #9 0x0000555dff41ab5d clang::Sema::CheckVectorCompareOperands(clang::ActionResult<clang::Expr*, true>&, clang::ActionResult<clang::Expr*, true>&, clang::SourceLocation, clang::BinaryOperatorKind) (/scratch/software/clang-trunk/bin/clang-13+0x5ffcb5d)
#10 0x0000555dff41d379
clang::Sema::CheckCompareOperands(clang::ActionResult<clang::Expr*, true>&,
clang::ActionResult<clang::Expr*, true>&, clang::SourceLocation,
clang::BinaryOperatorKind) (/scratch/software/clang-trunk/bin/clang-
13+0x5fff379)
#11 0x0000555dff4252a6 clang::Sema::CreateBuiltinBinOp(clang::SourceLocation,
clang::BinaryOperatorKind, clang::Expr*, clang::Expr*) (/scratch/software/clang-
trunk/bin/clang-13+0x60072a6)
#12 0x0000555dff426544 clang::Sema::BuildBinOp(clang::Scope*,
clang::SourceLocation, clang::BinaryOperatorKind, clang::Expr*, clang::Expr*)
(/scratch/software/clang-trunk/bin/clang-13+0x6008544)
#13 0x0000555dff4269e1 clang::Sema::ActOnBinOp(clang::Scope*,
clang::SourceLocation, clang::tok::TokenKind, clang::Expr*, clang::Expr*)
(/scratch/software/clang-trunk/bin/clang-13+0x60089e1)
#14 0x0000555dfefe07df
clang::Parser::ParseRHSOfBinaryExpression(clang::ActionResult<clang::Expr*,
true>, clang::prec::Level) (/scratch/software/clang-trunk/bin/clang-
13+0x5bc27df)
#15 0x0000555dfefe283d
clang::Parser::ParseExpression(clang::Parser::TypeCastState)
(/scratch/software/clang-trunk/bin/clang-13+0x5bc483d)
#16 0x0000555dff04a43e
clang::Parser::ParseExprStatement(clang::Parser::ParsedStmtContext)
(/scratch/software/clang-trunk/bin/clang-13+0x5c2c43e)
#17 0x0000555dff0419d2
clang::Parser::ParseStatementOrDeclarationAfterAttributes(llvm::SmallVector<clang::Stmt*,
32u>&, clang::Parser::ParsedStmtContext, clang::SourceLocation*,
clang::ParsedAttributesWithRange&) (/scratch/software/clang-trunk/bin/clang-
13+0x5c239d2)
#18 0x0000555dff0423ba
clang::Parser::ParseStatementOrDeclaration(llvm::SmallVector<clang::Stmt*,
32u>&, clang::Parser::ParsedStmtContext, clang::SourceLocation*)
(/scratch/software/clang-trunk/bin/clang-13+0x5c243ba)
#19 0x0000555dff043339 clang::Parser::ParseCompoundStatementBody(bool)
(/scratch/software/clang-trunk/bin/clang-13+0x5c25339)
#20 0x0000555dff04594a clang::Parser::ParseFunctionStatementBody(clang::Decl*,
clang::Parser::ParseScope&) (/scratch/software/clang-trunk/bin/clang-
13+0x5c2794a)
#21 0x0000555dfef8bc22
clang::Parser::ParseFunctionDefinition(clang::ParsingDeclarator&,
clang::Parser::ParsedTemplateInfo const&, clang::Parser::LateParsedAttrList*)
(/scratch/software/clang-trunk/bin/clang-13+0x5b6dc22)
#22 0x0000555dfefb8580 clang::Parser::ParseDeclGroup(clang::ParsingDeclSpec&,
clang::DeclaratorContext, clang::SourceLocation*, clang::Parser::ForRangeInit*)
(/scratch/software/clang-trunk/bin/clang-13+0x5b9a580)
#23 0x0000555dfef86426
clang::Parser::ParseDeclOrFunctionDefInternal(clang::ParsedAttributesWithRange&,
clang::ParsingDeclSpec&, clang::AccessSpecifier) (/scratch/software/clang-
trunk/bin/clang-13+0x5b68426)
#24 0x0000555dfef86a11
clang::Parser::ParseDeclarationOrFunctionDefinition(clang::ParsedAttributesWithRange&,
clang::ParsingDeclSpec*, clang::AccessSpecifier) (.part.0) Parser.cpp:0:0
#25 0x0000555dfef8d217
clang::Parser::ParseExternalDeclaration(clang::ParsedAttributesWithRange&,
clang::ParsingDeclSpec*) (/scratch/software/clang-trunk/bin/clang-13+0x5b6f217)
#26 0x0000555dfef8e7ae
clang::Parser::ParseTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&, bool)
(/scratch/software/clang-trunk/bin/clang-13+0x5b707ae)
#27 0x0000555dfef8eb59
clang::Parser::ParseFirstTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&)
(/scratch/software/clang-trunk/bin/clang-13+0x5b70b59)
#28 0x0000555dfef80fca clang::ParseAST(clang::Sema&, bool, bool)
(/scratch/software/clang-trunk/bin/clang-13+0x5b62fca)
#29 0x0000555dfdec8678 clang::CodeGenAction::ExecuteAction()
(/scratch/software/clang-trunk/bin/clang-13+0x4aaa678)
#30 0x0000555dfd778029 clang::FrontendAction::Execute()
(/scratch/software/clang-trunk/bin/clang-13+0x435a029)
#31 0x0000555dfd70b1e6
clang::CompilerInstance::ExecuteAction(clang::FrontendAction&)
(/scratch/software/clang-trunk/bin/clang-13+0x42ed1e6)
#32 0x0000555dfd855eb0
clang::ExecuteCompilerInvocation(clang::CompilerInstance*)
(/scratch/software/clang-trunk/bin/clang-13+0x4437eb0)
#33 0x0000555dfa67e6f6 cc1_main(llvm::ArrayRef<char const*>, char const*,
void*) (/scratch/software/clang-trunk/bin/clang-13+0x12606f6)
#34 0x0000555dfa67aa38 ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&)
driver.cpp:0:0
#35 0x0000555dfa5a80a6 main (/scratch/software/clang-trunk/bin/clang-
13+0x118a0a6)
#36 0x00007fb210ea20b3 __libc_start_main /build/glibc-ZN95T4/glibc-
2.31/csu/../csu/libc-start.c:342:3
#37 0x0000555dfa67a5ae _start (/scratch/software/clang-trunk/bin/clang-
13+0x125c5ae)
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
5c8659801a4976ef2b327f4071d98086efd42a36)
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-28976e.c
clang-13: note: diagnostic msg: /tmp/mutant-28976e.sh
clang-13: note: diagnostic msg:

********************