[llvm-bugs] [Bug 50977] New: ICE: llvm::cast_retty<X, Y*>::ret_type llvm::cast(Y*) [with X = clang::FunctionDecl; Y = clang::Decl; typename llvm::cast_retty<X, Y*>::ret_type = clang::FunctionDecl*]: Assertion `isa<X>(Val) && "cast<Ty>() argument of incompatible type!"' failed.
via llvm-bugs
llvm-bugs at lists.llvm.org
Sat Jul 3 22:57:05 PDT 2021
https://bugs.llvm.org/show_bug.cgi?id=50977
Bug ID: 50977
Summary: ICE: llvm::cast_retty<X, Y*>::ret_type llvm::cast(Y*)
[with X = clang::FunctionDecl; Y = clang::Decl;
typename llvm::cast_retty<X, Y*>::ret_type =
clang::FunctionDecl*]: Assertion `isa<X>(Val) &&
"cast<Ty>() argument of incompatible type!"' failed.
Product: clang
Version: trunk
Hardware: PC
OS: Linux
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
6b0d266036f73f5ee9556d211a7d0946091ff3b2)
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
main(char *(int)__attribute__((alloc_align(0)))) {}
$ clang-trunk -w mutant.c
clang-13:
/tmp/tmp.OKn6kNiY8c-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::FunctionDecl; Y = clang::Decl; typename llvm::cast_retty<X,
Y*>::ret_type = clang::FunctionDecl*]: 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/default_c_finding_folder/crash_20210701_154312_149e/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 -w
-fdebug-compilation-dir=/scratch/cnsun/workspace/perses-fuzzer/default_c_finding_folder/crash_20210701_154312_149e/delta/perses_result
-ferror-limit 19 -fgnuc-version=4.2.1 -faddrsig -D__GCC_HAVE_DWARF2_CFI_ASM=1
-o /tmp/mutant-dccf1c.o -x c mutant.c
1. mutant.c:1:48: current parser token ')'
#0 0x0000562e0028c714 PrintStackTraceSignalHandler(void*) Signals.cpp:0:0
#1 0x0000562e00289ece SignalHandler(int) Signals.cpp:0:0
#2 0x00007effeb1123c0 __restore_rt
(/lib/x86_64-linux-gnu/libpthread.so.0+0x153c0)
#3 0x00007effeabb118b raise
/build/glibc-ZN95T4/glibc-2.31/signal/../sysdeps/unix/sysv/linux/raise.c:51:1
#4 0x00007effeab90859 abort /build/glibc-ZN95T4/glibc-2.31/stdlib/abort.c:81:7
#5 0x00007effeab90729 get_sysdep_segment_value
/build/glibc-ZN95T4/glibc-2.31/intl/loadmsgcat.c:509:8
#6 0x00007effeab90729 _nl_load_domain
/build/glibc-ZN95T4/glibc-2.31/intl/loadmsgcat.c:970:34
#7 0x00007effeaba1f36 (/lib/x86_64-linux-gnu/libc.so.6+0x36f36)
#8 0x0000562e027b99ba clang::Sema::AddAllocAlignAttr(clang::Decl*,
clang::AttributeCommonInfo const&, clang::Expr*)
(/scratch/software/clang-trunk/bin/clang-13+0x5ec29ba)
#9 0x0000562e027e75c8 ProcessDeclAttribute(clang::Sema&, clang::Scope*,
clang::Decl*, clang::ParsedAttr const&, bool) SemaDeclAttr.cpp:0:0
#10 0x0000562e027e8c60 clang::Sema::ProcessDeclAttributeList(clang::Scope*,
clang::Decl*, clang::ParsedAttributesView const&, bool) (.part.0)
SemaDeclAttr.cpp:0:0
#11 0x0000562e027e9f25 clang::Sema::ProcessDeclAttributes(clang::Scope*,
clang::Decl*, clang::Declarator const&)
(/scratch/software/clang-trunk/bin/clang-13+0x5ef2f25)
#12 0x0000562e0275f618 clang::Sema::ActOnParamDeclarator(clang::Scope*,
clang::Declarator&) (/scratch/software/clang-trunk/bin/clang-13+0x5e68618)
#13 0x0000562e024f09f1
clang::Parser::ParseParameterDeclarationClause(clang::DeclaratorContext,
clang::ParsedAttributes&,
llvm::SmallVectorImpl<clang::DeclaratorChunk::ParamInfo>&,
clang::SourceLocation&) (.part.0) ParseDecl.cpp:0:0
#14 0x0000562e024f174a
clang::Parser::ParseParameterDeclarationClause(clang::DeclaratorContext,
clang::ParsedAttributes&,
llvm::SmallVectorImpl<clang::DeclaratorChunk::ParamInfo>&,
clang::SourceLocation&) (/scratch/software/clang-trunk/bin/clang-13+0x5bfa74a)
#15 0x0000562e024f21df
clang::Parser::ParseFunctionDeclarator(clang::Declarator&,
clang::ParsedAttributes&, clang::BalancedDelimiterTracker&, bool, bool)
(/scratch/software/clang-trunk/bin/clang-13+0x5bfb1df)
#16 0x0000562e024f3792 clang::Parser::ParseDirectDeclarator(clang::Declarator&)
(/scratch/software/clang-trunk/bin/clang-13+0x5bfc792)
#17 0x0000562e024dc3a8
clang::Parser::ParseDeclaratorInternal(clang::Declarator&, void
(clang::Parser::*)(clang::Declarator&))
(/scratch/software/clang-trunk/bin/clang-13+0x5be53a8)
#18 0x0000562e024ec25c clang::Parser::ParseDeclGroup(clang::ParsingDeclSpec&,
clang::DeclaratorContext, clang::SourceLocation*, clang::Parser::ForRangeInit*)
(/scratch/software/clang-trunk/bin/clang-13+0x5bf525c)
#19 0x0000562e024ba636
clang::Parser::ParseDeclOrFunctionDefInternal(clang::ParsedAttributesWithRange&,
clang::ParsingDeclSpec&, clang::AccessSpecifier)
(/scratch/software/clang-trunk/bin/clang-13+0x5bc3636)
#20 0x0000562e024bac21
clang::Parser::ParseDeclarationOrFunctionDefinition(clang::ParsedAttributesWithRange&,
clang::ParsingDeclSpec*, clang::AccessSpecifier) (.part.0) Parser.cpp:0:0
#21 0x0000562e024c1447
clang::Parser::ParseExternalDeclaration(clang::ParsedAttributesWithRange&,
clang::ParsingDeclSpec*) (/scratch/software/clang-trunk/bin/clang-13+0x5bca447)
#22 0x0000562e024c29de
clang::Parser::ParseTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&, bool)
(/scratch/software/clang-trunk/bin/clang-13+0x5bcb9de)
#23 0x0000562e024c2d89
clang::Parser::ParseFirstTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&)
(/scratch/software/clang-trunk/bin/clang-13+0x5bcbd89)
#24 0x0000562e024b51da clang::ParseAST(clang::Sema&, bool, bool)
(/scratch/software/clang-trunk/bin/clang-13+0x5bbe1da)
#25 0x0000562e013fc2a8 clang::CodeGenAction::ExecuteAction()
(/scratch/software/clang-trunk/bin/clang-13+0x4b052a8)
#26 0x0000562e00c9f399 clang::FrontendAction::Execute()
(/scratch/software/clang-trunk/bin/clang-13+0x43a8399)
#27 0x0000562e00c323b6
clang::CompilerInstance::ExecuteAction(clang::FrontendAction&)
(/scratch/software/clang-trunk/bin/clang-13+0x433b3b6)
#28 0x0000562e00d7d0c0
clang::ExecuteCompilerInvocation(clang::CompilerInstance*)
(/scratch/software/clang-trunk/bin/clang-13+0x44860c0)
#29 0x0000562dfdb6f846 cc1_main(llvm::ArrayRef<char const*>, char const*,
void*) (/scratch/software/clang-trunk/bin/clang-13+0x1278846)
#30 0x0000562dfdb6bb88 ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&)
driver.cpp:0:0
#31 0x0000562dfda99156 main
(/scratch/software/clang-trunk/bin/clang-13+0x11a2156)
#32 0x00007effeab920b3 __libc_start_main
/build/glibc-ZN95T4/glibc-2.31/csu/../csu/libc-start.c:342:3
#33 0x0000562dfdb6b6fe _start
(/scratch/software/clang-trunk/bin/clang-13+0x12746fe)
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
6b0d266036f73f5ee9556d211a7d0946091ff3b2)
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-7d74c2.c
clang-13: note: diagnostic msg: /tmp/mutant-7d74c2.sh
clang-13: note: diagnostic msg:
********************
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