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ICE when code contains if consteval and coverage report is enabled #57377

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llvm/llvm-project-release-prs
#148
@hanickadot

Description

@hanickadot

https://compiler-explorer.com/z/EoTeeTnEn

constexpr int foo() {
    if consteval {
        return 42;
    } else {
        return 0;
    }
}

int main() {
    return foo();
}

crashes in 14 and current main

crash:

PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace, preprocessed source, and associated run script.
Stack dump:
0.	Program arguments: /opt/compiler-explorer/clang-14.0.0/bin/clang++ -gdwarf-4 -g -o /app/output.s -mllvm --x86-asm-syntax=intel -S --gcc-toolchain=/opt/compiler-explorer/gcc-11.2.0 -fcolor-diagnostics -fno-crash-diagnostics -std=c++2b -fprofile-instr-generate -fcoverage-mapping <source>
1.	<eof> parser at end of file
2.	Per-file LLVM IR generation
3.	<source>:1:15: Generating code for declaration 'foo'
 #0 0x000055eace97de8f PrintStackTraceSignalHandler(void*) Signals.cpp:0:0
 #1 0x000055eace97bd60 llvm::sys::CleanupOnSignal(unsigned long) (/opt/compiler-explorer/clang-14.0.0/bin/clang+++0x357bd60)
 #2 0x000055eace8b6b78 CrashRecoverySignalHandler(int) CrashRecoveryContext.cpp:0:0
 #3 0x00007ffaa60c5420 __restore_rt (/lib/x86_64-linux-gnu/libpthread.so.0+0x14420)
 #4 0x000055ead153764f clang::Stmt::getBeginLoc() const (/opt/compiler-explorer/clang-14.0.0/bin/clang+++0x613764f)
 #5 0x000055eacedf2a8f (anonymous namespace)::CoverageMappingBuilder::getStart(clang::Stmt const*) CoverageMappingGen.cpp:0:0
 #6 0x000055eacedf7b63 (anonymous namespace)::CounterCoverageMappingBuilder::extendRegion(clang::Stmt const*) CoverageMappingGen.cpp:0:0
 #7 0x000055eacedfaee8 clang::StmtVisitorBase<llvm::make_const_ptr, (anonymous namespace)::CounterCoverageMappingBuilder, void>::Visit(clang::Stmt const*) CoverageMappingGen.cpp:0:0
 #8 0x000055eacedfb82b (anonymous namespace)::CounterCoverageMappingBuilder::VisitStmt(clang::Stmt const*) CoverageMappingGen.cpp:0:0
 #9 0x000055eacedfa11e clang::StmtVisitorBase<llvm::make_const_ptr, (anonymous namespace)::CounterCoverageMappingBuilder, void>::Visit(clang::Stmt const*) CoverageMappingGen.cpp:0:0
#10 0x000055eacee001ee clang::CodeGen::CoverageMappingGen::emitCounterMapping(clang::Decl const*, llvm::raw_ostream&) (/opt/compiler-explorer/clang-14.0.0/bin/clang+++0x3a001ee)
#11 0x000055eacedc05d4 clang::CodeGen::CodeGenPGO::emitCounterRegionMapping(clang::Decl const*) (/opt/compiler-explorer/clang-14.0.0/bin/clang+++0x39c05d4)
#12 0x000055eacede4134 clang::CodeGen::CodeGenPGO::assignRegionCounters(clang::GlobalDecl, llvm::Function*) (/opt/compiler-explorer/clang-14.0.0/bin/clang+++0x39e4134)
#13 0x000055eaced6fe12 clang::CodeGen::CodeGenFunction::GenerateCode(clang::GlobalDecl, llvm::Function*, clang::CodeGen::CGFunctionInfo const&) (/opt/compiler-explorer/clang-14.0.0/bin/clang+++0x396fe12)
#14 0x000055eacedb6918 clang::CodeGen::CodeGenModule::EmitGlobalFunctionDefinition(clang::GlobalDecl, llvm::GlobalValue*) (/opt/compiler-explorer/clang-14.0.0/bin/clang+++0x39b6918)
#15 0x000055eacedb3a55 clang::CodeGen::CodeGenModule::EmitGlobalDefinition(clang::GlobalDecl, llvm::GlobalValue*) (/opt/compiler-explorer/clang-14.0.0/bin/clang+++0x39b3a55)
#16 0x000055eacedbaf43 clang::CodeGen::CodeGenModule::EmitDeferred() (/opt/compiler-explorer/clang-14.0.0/bin/clang+++0x39baf43)
#17 0x000055eacedbbd4c clang::CodeGen::CodeGenModule::Release() (/opt/compiler-explorer/clang-14.0.0/bin/clang+++0x39bbd4c)
#18 0x000055eacf907787 (anonymous namespace)::CodeGeneratorImpl::HandleTranslationUnit(clang::ASTContext&) ModuleBuilder.cpp:0:0
#19 0x000055eacf90551d clang::BackendConsumer::HandleTranslationUnit(clang::ASTContext&) (/opt/compiler-explorer/clang-14.0.0/bin/clang+++0x450551d)
#20 0x000055ead079aa79 clang::ParseAST(clang::Sema&, bool, bool) (/opt/compiler-explorer/clang-14.0.0/bin/clang+++0x539aa79)
#21 0x000055eacf905b02 clang::CodeGenAction::ExecuteAction() (/opt/compiler-explorer/clang-14.0.0/bin/clang+++0x4505b02)
#22 0x000055eacf301161 clang::FrontendAction::Execute() (/opt/compiler-explorer/clang-14.0.0/bin/clang+++0x3f01161)
#23 0x000055eacf29c2f2 clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) (/opt/compiler-explorer/clang-14.0.0/bin/clang+++0x3e9c2f2)
#24 0x000055eacf3cc853 clang::ExecuteCompilerInvocation(clang::CompilerInstance*) (/opt/compiler-explorer/clang-14.0.0/bin/clang+++0x3fcc853)
#25 0x000055eacc59b1d4 cc1_main(llvm::ArrayRef<char const*>, char const*, void*) (/opt/compiler-explorer/clang-14.0.0/bin/clang+++0x119b1d4)
#26 0x000055eacc59718d ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&) driver.cpp:0:0
#27 0x000055eacf1375f5 void llvm::function_ref<void ()>::callback_fn<clang::driver::CC1Command::Execute(llvm::ArrayRef<llvm::Optional<llvm::StringRef> >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*, bool*) const::'lambda'()>(long) Job.cpp:0:0
#28 0x000055eace8b7163 llvm::CrashRecoveryContext::RunSafely(llvm::function_ref<void ()>) (/opt/compiler-explorer/clang-14.0.0/bin/clang+++0x34b7163)
#29 0x000055eacf1396c8 clang::driver::CC1Command::Execute(llvm::ArrayRef<llvm::Optional<llvm::StringRef> >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*, bool*) const (/opt/compiler-explorer/clang-14.0.0/bin/clang+++0x3d396c8)
#30 0x000055eacf10cb1a clang::driver::Compilation::ExecuteCommand(clang::driver::Command const&, clang::driver::Command const*&) const (/opt/compiler-explorer/clang-14.0.0/bin/clang+++0x3d0cb1a)
#31 0x000055eacf10d65f clang::driver::Compilation::ExecuteJobs(clang::driver::JobList const&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*> >&) const (/opt/compiler-explorer/clang-14.0.0/bin/clang+++0x3d0d65f)
#32 0x000055eacf116005 clang::driver::Driver::ExecuteCompilation(clang::driver::Compilation&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*> >&) (/opt/compiler-explorer/clang-14.0.0/bin/clang+++0x3d16005)
#33 0x000055eacc4a80b2 main (/opt/compiler-explorer/clang-14.0.0/bin/clang+++0x10a80b2)
#34 0x00007ffaa5b73083 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x24083)
#35 0x000055eacc596d0a _start (/opt/compiler-explorer/clang-14.0.0/bin/clang+++0x1196d0a)
clang-14: error: clang frontend command failed with exit code 139 (use -v to see invocation)
Compiler returned: 139

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