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13.0.0-rc4: Assertion `getContext().hasSameUnqualifiedType(E->getType(), E->getArg(0)->getType())' failed. #51329

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berolinux opened this issue Sep 27, 2021 · 5 comments
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13.0.0-rc4: Assertion `getContext().hasSameUnqualifiedType(E->getType(), E->getArg(0)->getType())' failed. #51329

berolinux opened this issue Sep 27, 2021 · 5 comments
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bugzilla Issues migrated from bugzilla duplicate Resolved as duplicate

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@berolinux
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Bugzilla Link 51987
Resolution DUPLICATE
Resolved on Oct 14, 2021 17:35
Version trunk
OS Linux
Blocks #50580 #51489
Attachments reduced test case
CC @mizvekov,@tstellar

Extended Description

clang 13.0.0-rc4 crashes with "Assertion `getContext().hasSameUnqualifiedType(E->getType(), E->getArg(0)->getType())' failed." on this sample code:

$ cat bug.ii
class a {
public:
a();
a(a &);
a(int);
template operator b();
};
a c() {
if (0)
return a();
a d;
return d;
}

$ clang++ bug.ii
clang-13: /builddir/build/BUILD/llvm-project-release-13.x/clang/lib/CodeGen/CGExprCXX.cpp:616: void clang::CodeGen::CodeGenFunction::EmitCXXConstructExpr(const clang::CXXConstructExpr *, clang::CodeGen::AggValueSlot): Assertion `getContext().hasSameUnqualifiedType(E->getType(), E->getArg(0)->getType())' 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: /usr/bin/clang-13 -cc1 -triple x86_64-pc-linux-gnu -emit-obj -mrelax-all --mrelax-relocations -disable-free -main-file-name bug.ii -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=/home/bero/abf/exiv2/BUILD/exiv2-0.27.4-Source/build -resource-dir /usr/lib64/clang/13.0.0 -fdeprecated-macro -fdebug-compilation-dir=/home/bero/abf/exiv2/BUILD/exiv2-0.27.4-Source/build -ferror-limit 19 -fgnuc-version=11.1.1 -fcxx-exceptions -fexceptions -fcolor-diagnostics -faddrsig -D__GCC_HAVE_DWARF2_CFI_ASM=1 -o /tmp/bug-aa57d4.o -x c++-cpp-output bug.ii

  1.  <eof> parser at end of file

  2.  bug.ii:8:3: LLVM IR generation of declaration 'c'

  3.  bug.ii:8:3: Generating code for declaration 'c'

#​0 0x00007f9924a99271 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/usr/lib64/libLLVMSupport.so.13+0x23b271)
#​1 0x00007f9924a9954d (/usr/lib64/libLLVMSupport.so.13+0x23b54d)
#​2 0x00007f9924a96e2a llvm::sys::RunSignalHandlers() (/usr/lib64/libLLVMSupport.so.13+0x238e2a)
#​3 0x00007f9924a99866 (/usr/lib64/libLLVMSupport.so.13+0x23b866)
#​4 0x00007f9924459790 (/lib64/libc.so.6+0x45790)
#​5 0x00007f99244ade33 pthread_kill (/lib64/libc.so.6+0x99e33)
#​6 0x00007f99244596e2 gsignal (/lib64/libc.so.6+0x456e2)
#​7 0x00007f992444044b abort (/lib64/libc.so.6+0x2c44b)
#​8 0x00007f9924440377 (/lib64/libc.so.6+0x2c377)
#​9 0x00007f99244510f2 (/lib64/libc.so.6+0x3d0f2)
#​10 0x00007f99288bf0c2 clang::CodeGen::CodeGenFunction::EmitCXXConstructExpr(clang::CXXConstructExpr const*, clang::CodeGen::AggValueSlot) (/usr/lib64/libclangCodeGen.so.13+0x4890c2)
#​11 0x00007f99288b3026 (/usr/lib64/libclangCodeGen.so.13+0x47d026)
#​12 0x00007f99288b0737 (/usr/lib64/libclangCodeGen.so.13+0x47a737)
#​13 0x00007f99288aeb56 clang::CodeGen::CodeGenFunction::EmitAggExpr(clang::Expr const*, clang::CodeGen::AggValueSlot) (/usr/lib64/libclangCodeGen.so.13+0x478b56)
#​14 0x00007f9928a1933a clang::CodeGen::CodeGenFunction::EmitReturnStmt(clang::ReturnStmt const&) (/usr/lib64/libclangCodeGen.so.13+0x5e333a)
#​15 0x00007f9928a16048 clang::CodeGen::CodeGenFunction::EmitStmt(clang::Stmt const*, llvm::ArrayRef<clang::Attr const*>) (/usr/lib64/libclangCodeGen.so.13+0x5e0048)
#​16 0x00007f9928a21b30 clang::CodeGen::CodeGenFunction::EmitCompoundStmtWithoutScope(clang::CompoundStmt const&, bool, clang::CodeGen::AggValueSlot) (/usr/lib64/libclangCodeGen.so.13+0x5ebb30)
#​17 0x00007f9928a8db94 clang::CodeGen::CodeGenFunction::EmitFunctionBody(clang::Stmt const*) (/usr/lib64/libclangCodeGen.so.13+0x657b94)
#​18 0x00007f9928a8e7d9 clang::CodeGen::CodeGenFunction::GenerateCode(clang::GlobalDecl, llvm::Function*, clang::CodeGen::CGFunctionInfo const&) (/usr/lib64/libclangCodeGen.so.13+0x6587d9)
#​19 0x00007f9928ab2f9f clang::CodeGen::CodeGenModule::EmitGlobalFunctionDefinition(clang::GlobalDecl, llvm::GlobalValue*) (/usr/lib64/libclangCodeGen.so.13+0x67cf9f)
#​20 0x00007f9928aa941d clang::CodeGen::CodeGenModule::EmitGlobalDefinition(clang::GlobalDecl, llvm::GlobalValue*) (/usr/lib64/libclangCodeGen.so.13+0x67341d)
#​21 0x00007f9928aadf42 clang::CodeGen::CodeGenModule::EmitGlobal(clang::GlobalDecl) (/usr/lib64/libclangCodeGen.so.13+0x677f42)
#​22 0x00007f9928ab73cb clang::CodeGen::CodeGenModule::EmitTopLevelDecl(clang::Decl*) (/usr/lib64/libclangCodeGen.so.13+0x6813cb)
#​23 0x00007f9928b55a9f (/usr/lib64/libclangCodeGen.so.13+0x71fa9f)
#​24 0x00007f9928a80497 (/usr/lib64/libclangCodeGen.so.13+0x64a497)
#​25 0x00007f9922244274 clang::ParseAST(clang::Sema&, bool, bool) (/usr/lib64/libclangParse.so.13+0x6e274)
#​26 0x00007f9926bbf9af clang::ASTFrontendAction::ExecuteAction() (/usr/lib64/libclangFrontend.so.13+0x1bf9af)
#​27 0x00007f9928a7b173 clang::CodeGenAction::ExecuteAction() (/usr/lib64/libclangCodeGen.so.13+0x645173)
#​28 0x00007f9926bbf0a4 clang::FrontendAction::Execute() (/usr/lib64/libclangFrontend.so.13+0x1bf0a4)
#​29 0x00007f9926b15caf clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) (/usr/lib64/libclangFrontend.so.13+0x115caf)
#​30 0x00007f992984dce6 clang::ExecuteCompilerInvocation(clang::CompilerInstance*) (/usr/lib64/libclangFrontendTool.so.13+0x5ce6)
#​31 0x00000000002196fe cc1_main(llvm::ArrayRef<char const*>, char const*, void*) (/usr/bin/clang-13+0x2196fe)
#​32 0x0000000000216e60 (/usr/bin/clang-13+0x216e60)
#​33 0x00000000002165a3 main (/usr/bin/clang-13+0x2165a3)
#​34 0x00007f9924441d8c (/lib64/libc.so.6+0x2dd8c)
#​35 0x00007f9924441e39 __libc_start_main (/lib64/libc.so.6+0x2de39)
#​36 0x0000000000212c41 _start (/usr/bin/clang-13+0x212c41)
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)
OpenMandriva 13.0.0-0.20210922.2 clang version 13.0.0 (/builddir/build/BUILD/llvm-project-release-13.x/clang 11a6bc2c1059bc4d0d8641bf23ed6dcd5e2b1b66)
Target: x86_64-pc-linux-gnu
Thread model: posix
InstalledDir: /usr/bin
clang-13: note: diagnostic msg: Error generating preprocessed source(s) - no preprocessable inputs.

This is a regression from 12.0.x.
@berolinux
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test case is extracted from exiv2 0.27.4.

@slacka
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Mannequin

slacka mannequin commented Sep 28, 2021

Can we get a bisect on this?

@berolinux
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[7d2d5a3] [clang] Apply P1825 as Defect Report from C++11 up to C++20.

@mizvekov
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Already fixed in trunk, and the fix has been cherry-picked for the latest 13 release candidate.

*** This bug has been marked as a duplicate of bug llvm/llvm-bugzilla-archive#51862 ***

@tstellar
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mentioned in issue #51489

This was referenced Jul 28, 2021
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@llvmbot llvmbot transferred this issue from llvm/llvm-bugzilla-archive Dec 11, 2021
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