error when building with gollvm

[advancedwebdeveloper]

c_glfw-logs.zip
$ go get -u github.com/goxjs/glfw

github.com/go-gl/glfw/v3.3/glfw

fatal error: error in backend: Segmented stacks do not support vararg functions.
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 -I ../../go/src/github.com/go-gl/glfw/v3.3/glfw -fPIC -m64 -pthread -fno-caret-diagnostics -Qunused-arguments -fmessage-length=0 -fdebug-prefix-map=/tmp/go-build507152346/b002=/tmp/go-build -gno-record-gcc-switches -funwind-tables -I $WORK/b002/ -g -O2 -D_GLFW_X11 -D_GNU_SOURCE -fsplit-stack -o $WORK/b002/_x003.o -c c_glfw.cgo2.c

1. parser at end of file
2. Code generation
3. Running pass 'Function Pass Manager' on module 'c_glfw.cgo2.c'.
4. Running pass 'Prologue/Epilogue Insertion & Frame Finalization' on function '@_glfwInputError'
   #0 0x00000000022bcf54 PrintStackTraceSignalHandler(void*) (/usr/bin/clang+0x22bcf54)
   Handle WebGL context creation in browser. #1 0x00000000022bacde llvm::sys::RunSignalHandlers() (/usr/bin/clang+0x22bacde)
   Rename and move package. #2 0x00000000022bc1fd llvm::sys::CleanupOnSignal(unsigned long) (/usr/bin/clang+0x22bc1fd)
   Entering fullscreen has to happen during user event, cannot happen at CreateWindow time. #3 0x000000000224db9a (anonymous namespace)::CrashRecoveryContextImpl::HandleCrash(int, unsigned long) (/usr/bin/clang+0x224db9a)
   Open() unused? #4 0x000000000224db3b (/usr/bin/clang+0x224db3b)
   Rename OnBecomeCurrent to OnMakeCurrent. #5 0x00000000022b748e (/usr/bin/clang+0x22b748e)
   Use floats instead of ints in ClientRect #6 0x00000000009baf32 (/usr/bin/clang+0x9baf32)
   Add hints to override default GLContextAttributes options #7 0x000000000225133f llvm::report_fatal_error(llvm::Twine const&, bool) (/usr/bin/clang+0x225133f)
   Implement SetSize #8 0x0000000002251218 (/usr/bin/clang+0x2251218)
   How to think of windows, resizing, monitors, fullscreen mode in context of a browser. #9 0x00000000014e3357 llvm::X86FrameLowering::adjustForSegmentedStacks(llvm::MachineFunction&, llvm::MachineBasicBlock&) const (/usr/bin/clang+0x14e3357)
   Normalizing MouseWheel in different browsers/platforms #10 0x0000000001ac4043 (anonymous namespace)::PEI::runOnMachineFunction(llvm::MachineFunction&) (/usr/bin/clang+0x1ac4043)
   OS/Browser Specific Mouse Wheel Events #11 0x00000000019f571e llvm::MachineFunctionPass::runOnFunction(llvm::Function&) (/usr/bin/clang+0x19f571e)
   Implement focus callback for browser #12 0x0000000001cf8d39 llvm::FPPassManager::runOnFunction(llvm::Function&) (/usr/bin/clang+0x1cf8d39)
   Implement focus callback for browser using the Page Visibility API. #13 0x0000000001cfe6d3 llvm::FPPassManager::runOnModule(llvm::Module&) (/usr/bin/clang+0x1cfe6d3)
   Implement focus callback #14 0x0000000001cf94eb llvm::legacy::PassManagerImpl::run(llvm::Module&) (/usr/bin/clang+0x1cf94eb)
   Implement close callback #15 0x000000000247cd19 clang::EmitBackendOutput(clang::DiagnosticsEngine&, clang::HeaderSearchOptions const&, clang::CodeGenOptions const&, clang::TargetOptions const&, clang::LangOptions const&, llvm::DataLayout const&, llvm::Module*, clang::BackendAction, std::unique_ptr<llvm::raw_pwrite_stream, std::default_deletellvm::raw_pwrite_stream >) (/usr/bin/clang+0x247cd19)
   Add WebAssembly support. #16 0x0000000002f3db46 clang::BackendConsumer::HandleTranslationUnit(clang::ASTContext&) (/usr/bin/clang+0x2f3db46)
   Wasm #17 0x0000000003930133 clang::ParseAST(clang::Sema&, bool, bool) (/usr/bin/clang+0x3930133)
   error when building with gollvm #18 0x00000000029c4727 clang::FrontendAction::Execute() (/usr/bin/clang+0x29c4727)
   #19 0x00000000029607c1 clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) (/usr/bin/clang+0x29607c1)
   #20 0x0000000002a5d12a clang::ExecuteCompilerInvocation(clang::CompilerInstance*) (/usr/bin/clang+0x2a5d12a)
   #21 0x00000000009babc7 cc1_main(llvm::ArrayRef<char const*>, char const*, void*) (/usr/bin/clang+0x9babc7)
   #22 0x00000000009b8eb1 ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&) (/usr/bin/clang+0x9b8eb1)
   #23 0x00000000028395a2 void llvm::function_ref<void ()>::callback_fn<clang::driver::CC1Command::Execute(llvm::ArrayRef<llvm::Optionalllvm::StringRef >, std::__cxx11::basic_string<char, std::char_traits, std::allocator >, bool) const::$_1>(long) (/usr/bin/clang+0x28395a2)
   #24 0x000000000224db1d llvm::CrashRecoveryContext::RunSafely(llvm::function_ref<void ()>) (/usr/bin/clang+0x224db1d)
   #25 0x0000000002838abf clang::driver::CC1Command::Execute(llvm::ArrayRef<llvm::Optionalllvm::StringRef >, std::__cxx11::basic_string<char, std::char_traits, std::allocator >, bool) const (/usr/bin/clang+0x2838abf)
   #26 0x000000000280b32e clang::driver::Compilation::ExecuteCommand(clang::driver::Command const&, clang::driver::Command const*&) const (/usr/bin/clang+0x280b32e)
   #27 0x000000000280b4d7 clang::driver::Compilation::ExecuteJobs(clang::driver::JobList const&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*> >&) const (/usr/bin/clang+0x280b4d7)
   #28 0x0000000002821a08 clang::driver::Driver::ExecuteCompilation(clang::driver::Compilation&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*> >&) (/usr/bin/clang+0x2821a08)
   #29 0x00000000009b893c main (/usr/bin/clang+0x9b893c)
   #30 0x00007f0a9d4130b3 __libc_start_main /build/glibc-ZN95T4/glibc-2.31/csu/../csu/libc-start.c:342:3
   #31 0x00000000009b5f4e _start (/usr/bin/clang+0x9b5f4e)
   clang-11: error: clang frontend command failed with exit code 70 (use -v to see invocation)
   clang version 11.0.0 (https://github.com/llvm/llvm-project.git 0160ad802e899c2922bc9b29564080c22eb0908c)
   Target: x86_64-unknown-linux-gnu
   Thread model: posix
   InstalledDir: /usr/bin
   clang-11: note: diagnostic msg:

---

PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
Preprocessed source(s) and associated run script(s) are located at:
clang-11: note: diagnostic msg: /tmp/c_glfw-fa465c.c
clang-11: note: diagnostic msg: /tmp/c_glfw-fa465c.sh

clang-11: note: diagnostic msg:

---

Hello.
Caught this bug, while building your project:

c_glfw-logs.zip

[advancedwebdeveloper]

That's my environment

$ go env && go version
GO111MODULE=""
GOARCH="amd64"
GOBIN=""
GOCACHE="/home/oceanfis81/.cache/go-build"
GOENV="/home/oceanfis81/.config/go/env"
GOEXE=""
GOFLAGS=""
GOHOSTARCH="amd64"
GOHOSTOS="linux"
GOINSECURE=""
GOMODCACHE="/home/oceanfis81/go/pkg/mod"
GONOPROXY=""
GONOSUMDB=""
GOOS="linux"
GOPATH="/home/oceanfis81/go"
GOPRIVATE=""
GOPROXY="https://proxy.golang.org,direct"
GOROOT="/home/oceanfish81/gollvm_dist"
GOSUMDB="sum.golang.org"
GOTMPDIR=""
GOTOOLDIR="/home/oceanfish81/gollvm_dist/tools"
GCCGO="/home/oceanfish81/gollvm_dist/bin/llvm-goc"
AR="ar"
CC="/usr/bin/clang"
CXX="/usr/bin/clang++"
CGO_ENABLED="1"
GOMOD=""
CGO_CFLAGS="-g -O2"
CGO_CPPFLAGS=""
CGO_CXXFLAGS="-g -O2"
CGO_FFLAGS="-g -O2"
CGO_LDFLAGS="-g -O2"
PKG_CONFIG="pkg-config"
GOGCCFLAGS="-fPIC -m64 -pthread -fno-caret-diagnostics -Qunused-arguments -fmessage-length=0 -fdebug-prefix-map=/tmp/go-build342626706=/tmp/go-build -gno-record-gcc-switches -funwind-tables"
go version go1.15.2 gollvm LLVM 12.0.0git linux/amd64

You can reproduce this by installing my "release" build - I have built gollvm .
I am using Ubuntu 20.