[llvm-bugs] [Bug 50830] New: ICE: Assertion `(!E || isa<FunctionParmPackExpr>(E)) && "missing non-odr-use marking for unevaluated decl ref"' failed.
via llvm-bugs
llvm-bugs at lists.llvm.org
Wed Jun 23 18:30:01 PDT 2021
https://bugs.llvm.org/show_bug.cgi?id=50830
Bug ID: 50830
Summary: ICE: Assertion `(!E || isa<FunctionParmPackExpr>(E))
&& "missing non-odr-use marking for unevaluated decl
ref"' failed.
Product: clang
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
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
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(n) {
int A[n];
A(x) = sizeof A;
}
$ clang-trunk mutant.c
mutant.c:1:1: warning: type specifier missing, defaults to 'int'
[-Wimplicit-int]
foo(n) {
^
mutant.c:3:5: error: use of undeclared identifier 'x'
A(x) = sizeof A;
^
clang-13:
/tmp/tmp.FIfHBNID2p-clang-builder/llvm-project/clang/lib/Sema/SemaExpr.cpp:18537:
void DoMarkVarDeclReferenced(clang::Sema&, clang::SourceLocation,
clang::VarDecl*, clang::Expr*, llvm::DenseMap<const clang::VarDecl*, int>&):
Assertion `(!E || isa<FunctionParmPackExpr>(E)) && "missing non-odr-use marking
for unevaluated decl ref"' 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_044341_0034/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_044341_0034/delta/perses_result
-ferror-limit 19 -fgnuc-version=4.2.1 -faddrsig -D__GCC_HAVE_DWARF2_CFI_ASM=1
-o /tmp/mutant-4a5632.o -x c mutant.c
1. mutant.c:4:1: current parser token '}'
2. mutant.c:1:8: parsing function body 'foo'
3. mutant.c:1:8: in compound statement ('{}')
#0 0x0000559ba508ac64 PrintStackTraceSignalHandler(void*) Signals.cpp:0:0
#1 0x0000559ba508841e SignalHandler(int) Signals.cpp:0:0
#2 0x00007f8385cd33c0 __restore_rt
(/lib/x86_64-linux-gnu/libpthread.so.0+0x153c0)
#3 0x00007f838577218b raise
/build/glibc-ZN95T4/glibc-2.31/signal/../sysdeps/unix/sysv/linux/raise.c:51:1
#4 0x00007f8385751859 abort /build/glibc-ZN95T4/glibc-2.31/stdlib/abort.c:81:7
#5 0x00007f8385751729 get_sysdep_segment_value
/build/glibc-ZN95T4/glibc-2.31/intl/loadmsgcat.c:509:8
#6 0x00007f8385751729 _nl_load_domain
/build/glibc-ZN95T4/glibc-2.31/intl/loadmsgcat.c:970:34
#7 0x00007f8385762f36 (/lib/x86_64-linux-gnu/libc.so.6+0x36f36)
#8 0x0000559ba771a661 DoMarkVarDeclReferenced(clang::Sema&,
clang::SourceLocation, clang::VarDecl*, clang::Expr*,
llvm::DenseMap<clang::VarDecl const*, int, llvm::DenseMapInfo<clang::VarDecl
const*>, llvm::detail::DenseMapPair<clang::VarDecl const*, int> >&)
SemaExpr.cpp:0:0
#9 0x0000559ba7850209
clang::TreeTransform<clang::Sema::CorrectDelayedTyposInExpr(clang::Expr*,
clang::VarDecl*, bool, llvm::function_ref<clang::ActionResult<clang::Expr*,
true>
(clang::Expr*)>)::TyposReplace>::TransformDeclRefExpr(clang::DeclRefExpr*)
SemaExprCXX.cpp:0:0
#10 0x0000559ba7866e1f
clang::TreeTransform<clang::Sema::CorrectDelayedTyposInExpr(clang::Expr*,
clang::VarDecl*, bool, llvm::function_ref<clang::ActionResult<clang::Expr*,
true>
(clang::Expr*)>)::TyposReplace>::TransformUnaryExprOrTypeTraitExpr(clang::UnaryExprOrTypeTraitExpr*)
SemaExprCXX.cpp:0:0
#11 0x0000559ba78575df
clang::TreeTransform<clang::Sema::CorrectDelayedTyposInExpr(clang::Expr*,
clang::VarDecl*, bool, llvm::function_ref<clang::ActionResult<clang::Expr*,
true>
(clang::Expr*)>)::TyposReplace>::TransformBinaryOperator(clang::BinaryOperator*)
SemaExprCXX.cpp:0:0
#12 0x0000559ba7819b71 clang::Sema::CorrectDelayedTyposInExpr(clang::Expr*,
clang::VarDecl*, bool, llvm::function_ref<clang::ActionResult<clang::Expr*,
true> (clang::Expr*)>) (/scratch/software/clang-trunk/bin/clang-13+0x60ddb71)
#13 0x0000559ba781a331 clang::Sema::ActOnFinishFullExpr(clang::Expr*,
clang::SourceLocation, bool, bool)
(/scratch/software/clang-trunk/bin/clang-13+0x60de331)
#14 0x0000559ba7a7163b
clang::Sema::ActOnExprStmt(clang::ActionResult<clang::Expr*, true>, bool)
(/scratch/software/clang-trunk/bin/clang-13+0x633563b)
#15 0x0000559ba73684b3
clang::Parser::ParseExprStatement(clang::Parser::ParsedStmtContext)
(/scratch/software/clang-trunk/bin/clang-13+0x5c2c4b3)
#16 0x0000559ba735f9d2
clang::Parser::ParseStatementOrDeclarationAfterAttributes(llvm::SmallVector<clang::Stmt*,
32u>&, clang::Parser::ParsedStmtContext, clang::SourceLocation*,
clang::ParsedAttributesWithRange&)
(/scratch/software/clang-trunk/bin/clang-13+0x5c239d2)
#17 0x0000559ba73603ba
clang::Parser::ParseStatementOrDeclaration(llvm::SmallVector<clang::Stmt*,
32u>&, clang::Parser::ParsedStmtContext, clang::SourceLocation*)
(/scratch/software/clang-trunk/bin/clang-13+0x5c243ba)
#18 0x0000559ba7361339 clang::Parser::ParseCompoundStatementBody(bool)
(/scratch/software/clang-trunk/bin/clang-13+0x5c25339)
#19 0x0000559ba736394a clang::Parser::ParseFunctionStatementBody(clang::Decl*,
clang::Parser::ParseScope&)
(/scratch/software/clang-trunk/bin/clang-13+0x5c2794a)
#20 0x0000559ba72a9c22
clang::Parser::ParseFunctionDefinition(clang::ParsingDeclarator&,
clang::Parser::ParsedTemplateInfo const&, clang::Parser::LateParsedAttrList*)
(/scratch/software/clang-trunk/bin/clang-13+0x5b6dc22)
#21 0x0000559ba72d6580 clang::Parser::ParseDeclGroup(clang::ParsingDeclSpec&,
clang::DeclaratorContext, clang::SourceLocation*, clang::Parser::ForRangeInit*)
(/scratch/software/clang-trunk/bin/clang-13+0x5b9a580)
#22 0x0000559ba72a4426
clang::Parser::ParseDeclOrFunctionDefInternal(clang::ParsedAttributesWithRange&,
clang::ParsingDeclSpec&, clang::AccessSpecifier)
(/scratch/software/clang-trunk/bin/clang-13+0x5b68426)
#23 0x0000559ba72a4a11
clang::Parser::ParseDeclarationOrFunctionDefinition(clang::ParsedAttributesWithRange&,
clang::ParsingDeclSpec*, clang::AccessSpecifier) (.part.0) Parser.cpp:0:0
#24 0x0000559ba72ab217
clang::Parser::ParseExternalDeclaration(clang::ParsedAttributesWithRange&,
clang::ParsingDeclSpec*) (/scratch/software/clang-trunk/bin/clang-13+0x5b6f217)
#25 0x0000559ba72ac7ae
clang::Parser::ParseTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&, bool)
(/scratch/software/clang-trunk/bin/clang-13+0x5b707ae)
#26 0x0000559ba72acb59
clang::Parser::ParseFirstTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&)
(/scratch/software/clang-trunk/bin/clang-13+0x5b70b59)
#27 0x0000559ba729efca clang::ParseAST(clang::Sema&, bool, bool)
(/scratch/software/clang-trunk/bin/clang-13+0x5b62fca)
#28 0x0000559ba61e6678 clang::CodeGenAction::ExecuteAction()
(/scratch/software/clang-trunk/bin/clang-13+0x4aaa678)
#29 0x0000559ba5a96029 clang::FrontendAction::Execute()
(/scratch/software/clang-trunk/bin/clang-13+0x435a029)
#30 0x0000559ba5a291e6
clang::CompilerInstance::ExecuteAction(clang::FrontendAction&)
(/scratch/software/clang-trunk/bin/clang-13+0x42ed1e6)
#31 0x0000559ba5b73eb0
clang::ExecuteCompilerInvocation(clang::CompilerInstance*)
(/scratch/software/clang-trunk/bin/clang-13+0x4437eb0)
#32 0x0000559ba299c6f6 cc1_main(llvm::ArrayRef<char const*>, char const*,
void*) (/scratch/software/clang-trunk/bin/clang-13+0x12606f6)
#33 0x0000559ba2998a38 ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&)
driver.cpp:0:0
#34 0x0000559ba28c60a6 main
(/scratch/software/clang-trunk/bin/clang-13+0x118a0a6)
#35 0x00007f83857530b3 __libc_start_main
/build/glibc-ZN95T4/glibc-2.31/csu/../csu/libc-start.c:342:3
#36 0x0000559ba29985ae _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-c2e565.c
clang-13: note: diagnostic msg: /tmp/mutant-c2e565.sh
clang-13: note: diagnostic msg:
********************
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