[llvm-bugs] [Bug 50849] New: ICE: clang::Expr::ClassifyImpl(clang::ASTContext&, clang::SourceLocation*) const: Assertion `getValueKind() == VK_LValue' failed.
via llvm-bugs
llvm-bugs at lists.llvm.org
Thu Jun 24 16:05:27 PDT 2021
https://bugs.llvm.org/show_bug.cgi?id=50849
Bug ID: 50849
Summary: ICE: clang::Expr::ClassifyImpl(clang::ASTContext&,
clang::SourceLocation*) const: Assertion
`getValueKind() == VK_LValue' failed.
Product: clang
Version: trunk
Hardware: PC
OS: All
Status: NEW
Severity: enhancement
Priority: P
Component: C
Assignee: unassignedclangbugs at nondot.org
Reporter: cnsun at uwaterloo.ca
CC: blitzrakete at gmail.com, dgregor at apple.com,
erik.pilkington at gmail.com, llvm-bugs at lists.llvm.org,
richard-llvm at metafoo.co.uk
$ clang-trunk -v
clang version 13.0.0 (https://github.com/llvm/llvm-project.git
24d48d45cc302a6abeab139d87ba87f7a2335323)
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() { *a = (a_struct); }
$ clang-trunk mutant.c
mutant.c:1:1: warning: type specifier missing, defaults to 'int'
[-Wimplicit-int]
foo() { *a = (a_struct); }
^
mutant.c:1:15: error: use of undeclared identifier 'a_struct'; did you mean
'struct'?
foo() { *a = (a_struct); }
^~~~~~~~
struct
clang-13:
/tmp/tmp.nPuVKAIgXI-clang-builder/llvm-project/clang/lib/AST/ExprClassification.cpp:56:
Cl clang::Expr::ClassifyImpl(clang::ASTContext&, clang::SourceLocation*) const:
Assertion `getValueKind() == VK_LValue' 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_062007_0100/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_062007_0100/delta/perses_result
-ferror-limit 19 -fgnuc-version=4.2.1 -faddrsig -D__GCC_HAVE_DWARF2_CFI_ASM=1
-o /tmp/mutant-58eddb.o -x c mutant.c
1. mutant.c:1:24: current parser token ';'
2. mutant.c:1:7: parsing function body 'foo'
3. mutant.c:1:7: in compound statement ('{}')
#0 0x0000555ee58e0274 PrintStackTraceSignalHandler(void*) Signals.cpp:0:0
#1 0x0000555ee58dda2e SignalHandler(int) Signals.cpp:0:0
#2 0x00007f35bf2d33c0 __restore_rt
(/lib/x86_64-linux-gnu/libpthread.so.0+0x153c0)
#3 0x00007f35bed7218b raise
/build/glibc-ZN95T4/glibc-2.31/signal/../sysdeps/unix/sysv/linux/raise.c:51:1
#4 0x00007f35bed51859 abort /build/glibc-ZN95T4/glibc-2.31/stdlib/abort.c:81:7
#5 0x00007f35bed51729 get_sysdep_segment_value
/build/glibc-ZN95T4/glibc-2.31/intl/loadmsgcat.c:509:8
#6 0x00007f35bed51729 _nl_load_domain
/build/glibc-ZN95T4/glibc-2.31/intl/loadmsgcat.c:970:34
#7 0x00007f35bed62f36 (/lib/x86_64-linux-gnu/libc.so.6+0x36f36)
#8 0x0000555ee89a6b2a clang::Expr::ClassifyImpl(clang::ASTContext&,
clang::SourceLocation*) const
(/scratch/software/clang-trunk/bin/clang-13+0x6a16b2a)
#9 0x0000555ee89a6d61 clang::Expr::isModifiableLvalue(clang::ASTContext&,
clang::SourceLocation*) const
(/scratch/software/clang-trunk/bin/clang-13+0x6a16d61)
#10 0x0000555ee7f65ce6 CheckForModifiableLvalue(clang::Expr*,
clang::SourceLocation, clang::Sema&) SemaExpr.cpp:0:0
#11 0x0000555ee7f990d5 clang::Sema::CheckAssignmentOperands(clang::Expr*,
clang::ActionResult<clang::Expr*, true>&, clang::SourceLocation,
clang::QualType) (/scratch/software/clang-trunk/bin/clang-13+0x60090d5)
#12 0x0000555ee7f9a39b clang::Sema::CreateBuiltinBinOp(clang::SourceLocation,
clang::BinaryOperatorKind, clang::Expr*, clang::Expr*)
(/scratch/software/clang-trunk/bin/clang-13+0x600a39b)
#13 0x0000555ee7f9b5df clang::Sema::BuildBinOp(clang::Scope*,
clang::SourceLocation, clang::BinaryOperatorKind, clang::Expr*, clang::Expr*)
(/scratch/software/clang-trunk/bin/clang-13+0x600b5df)
#14 0x0000555ee7f9b781 clang::Sema::ActOnBinOp(clang::Scope*,
clang::SourceLocation, clang::tok::TokenKind, clang::Expr*, clang::Expr*)
(/scratch/software/clang-trunk/bin/clang-13+0x600b781)
#15 0x0000555ee7b5541f
clang::Parser::ParseRHSOfBinaryExpression(clang::ActionResult<clang::Expr*,
true>, clang::prec::Level)
(/scratch/software/clang-trunk/bin/clang-13+0x5bc541f)
#16 0x0000555ee7b5747d
clang::Parser::ParseExpression(clang::Parser::TypeCastState)
(/scratch/software/clang-trunk/bin/clang-13+0x5bc747d)
#17 0x0000555ee7bbf0be
clang::Parser::ParseExprStatement(clang::Parser::ParsedStmtContext)
(/scratch/software/clang-trunk/bin/clang-13+0x5c2f0be)
#18 0x0000555ee7bb6652
clang::Parser::ParseStatementOrDeclarationAfterAttributes(llvm::SmallVector<clang::Stmt*,
32u>&, clang::Parser::ParsedStmtContext, clang::SourceLocation*,
clang::ParsedAttributesWithRange&)
(/scratch/software/clang-trunk/bin/clang-13+0x5c26652)
#19 0x0000555ee7bb703a
clang::Parser::ParseStatementOrDeclaration(llvm::SmallVector<clang::Stmt*,
32u>&, clang::Parser::ParsedStmtContext, clang::SourceLocation*)
(/scratch/software/clang-trunk/bin/clang-13+0x5c2703a)
#20 0x0000555ee7bb7fb9 clang::Parser::ParseCompoundStatementBody(bool)
(/scratch/software/clang-trunk/bin/clang-13+0x5c27fb9)
#21 0x0000555ee7bba5ca clang::Parser::ParseFunctionStatementBody(clang::Decl*,
clang::Parser::ParseScope&)
(/scratch/software/clang-trunk/bin/clang-13+0x5c2a5ca)
#22 0x0000555ee7b00862
clang::Parser::ParseFunctionDefinition(clang::ParsingDeclarator&,
clang::Parser::ParsedTemplateInfo const&, clang::Parser::LateParsedAttrList*)
(/scratch/software/clang-trunk/bin/clang-13+0x5b70862)
#23 0x0000555ee7b2d1c0 clang::Parser::ParseDeclGroup(clang::ParsingDeclSpec&,
clang::DeclaratorContext, clang::SourceLocation*, clang::Parser::ForRangeInit*)
(/scratch/software/clang-trunk/bin/clang-13+0x5b9d1c0)
#24 0x0000555ee7afb066
clang::Parser::ParseDeclOrFunctionDefInternal(clang::ParsedAttributesWithRange&,
clang::ParsingDeclSpec&, clang::AccessSpecifier)
(/scratch/software/clang-trunk/bin/clang-13+0x5b6b066)
#25 0x0000555ee7afb651
clang::Parser::ParseDeclarationOrFunctionDefinition(clang::ParsedAttributesWithRange&,
clang::ParsingDeclSpec*, clang::AccessSpecifier) (.part.0) Parser.cpp:0:0
#26 0x0000555ee7b01e57
clang::Parser::ParseExternalDeclaration(clang::ParsedAttributesWithRange&,
clang::ParsingDeclSpec*) (/scratch/software/clang-trunk/bin/clang-13+0x5b71e57)
#27 0x0000555ee7b033ee
clang::Parser::ParseTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&, bool)
(/scratch/software/clang-trunk/bin/clang-13+0x5b733ee)
#28 0x0000555ee7b03799
clang::Parser::ParseFirstTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&)
(/scratch/software/clang-trunk/bin/clang-13+0x5b73799)
#29 0x0000555ee7af5c0a clang::ParseAST(clang::Sema&, bool, bool)
(/scratch/software/clang-trunk/bin/clang-13+0x5b65c0a)
#30 0x0000555ee6a3cf98 clang::CodeGenAction::ExecuteAction()
(/scratch/software/clang-trunk/bin/clang-13+0x4aacf98)
#31 0x0000555ee62ebe79 clang::FrontendAction::Execute()
(/scratch/software/clang-trunk/bin/clang-13+0x435be79)
#32 0x0000555ee627f0c6
clang::CompilerInstance::ExecuteAction(clang::FrontendAction&)
(/scratch/software/clang-trunk/bin/clang-13+0x42ef0c6)
#33 0x0000555ee63c9d00
clang::ExecuteCompilerInvocation(clang::CompilerInstance*)
(/scratch/software/clang-trunk/bin/clang-13+0x4439d00)
#34 0x0000555ee31f0b06 cc1_main(llvm::ArrayRef<char const*>, char const*,
void*) (/scratch/software/clang-trunk/bin/clang-13+0x1260b06)
#35 0x0000555ee31ece48 ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&)
driver.cpp:0:0
#36 0x0000555ee311a0c6 main
(/scratch/software/clang-trunk/bin/clang-13+0x118a0c6)
#37 0x00007f35bed530b3 __libc_start_main
/build/glibc-ZN95T4/glibc-2.31/csu/../csu/libc-start.c:342:3
#38 0x0000555ee31ec9be _start
(/scratch/software/clang-trunk/bin/clang-13+0x125c9be)
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
24d48d45cc302a6abeab139d87ba87f7a2335323)
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-a091b6.c
clang-13: note: diagnostic msg: /tmp/mutant-a091b6.sh
clang-13: note: diagnostic msg:
********************
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