gollvm: crash llvm-goc with SIGSEGV #35586
Description
What version of Go are you using (go version)?
$ go version go version go1.13 gollvm LLVM 10.0.0svn linux/amd64
Does this issue reproduce with the latest release?
Yes
What operating system and processor architecture are you using (go env)?
$ uname -o -m x86_64 GNU/Linux
What did you do?
I tried to build a client for docker.
There are a few steps to reproduce the error:
$ git clone https://github.com/docker/docker-ce.git $ cd docker-ce $ git checkout v19.03.4 $ cd components $ mkdir -p .gopath/src/github.com/docker $ export GOPATH=`pwd`/.gopath:~/go $ ln -sf `pwd`/cli .gopath/src/github.com/docker/cli $ cd .gopath/src/github.com/docker/cli/ $ go build ./vendor/github.com/docker/docker/client
What did you expect to see?
Clean compilation
What did you see instead?
Compiler crash: Program received signal SIGSEGV, Segmentation fault. 0x0000555555af7d97 in Bfunction::getParameterVars() () (gdb) bt #0 0x0000555555af7d97 in Bfunction::getParameterVars() () #1 0x0000555555b0bc67 in DIBuildHelper::endFunction(Bfunction*) () #2 0x0000555555aa2348 in Llvm_backend::function_set_body(Bfunction*, Bstatement*) () #3 0x0000555555a11c71 in Function::build(Gogo*, Named_object*) () #4 0x0000555555a13efc in Named_object::get_backend(Gogo*, std::vector >&, std::vector >&, std::vector >&) () #5 0x0000555555a1ef09 in Gogo::write_globals() () #6 0x00005555559e9278 in gollvm::driver::CompileGoImpl::invokeFrontEnd() () #7 0x00005555559f08e5 in gollvm::driver::CompileGoImpl::performAction(gollvm::driver::Compilation&, gollvm::driver::Action const&, llvm::SmallVector const&, gollvm::driver::Artifact const&) () #8 0x00005555559e4863 in gollvm::driver::Driver::processAction(gollvm::driver::Action*, gollvm::driver::Compilation&, bool) () #9 0x00005555559e4a47 in gollvm::driver::Driver::processActions(gollvm::driver::Compilation&) () #10 0x000055555595cb2f in main ()