LLVM CreateGlobalStringPtr segmentation fault

build.sh

clang++-7 -g -O3 main.cpp `llvm-config-7 --cxxflags --ldflags --system-libs --libs all` -o main

main.cpp

#include <iostream>
#include <llvm/IR/LLVMContext.h>
#include <llvm/IR/Module.h>
#include <llvm/IR/IRBuilder.h>
#include <llvm/Support/raw_os_ostream.h>

int main() {
    llvm::raw_os_ostream raw_os_ostream { std::cout };
    llvm::LLVMContext context {};
    llvm::Module* module = new llvm::Module { "test", context };
    auto* builder = new llvm::IRBuilder<> { context };

    auto* fnType = llvm::FunctionType::get(llvm::Type::getVoidTy(context), false);
    auto* fn = llvm::Function::Create(fnType, llvm::GlobalValue::LinkageTypes::ExternalWeakLinkage, "main", module);
    auto* entry = llvm::BasicBlock::Create(context, "entry", fn);

    builder->SetInsertPoint(entry);

    std::cout << "CreateGlobalString" << std::endl;
    auto* globalString = builder->CreateGlobalString("Hello World", "str1", 0);

    globalString->print(raw_os_ostream);
    std::cout << std::endl << "CreateGlobalStringPtr" << std::endl;

    auto* globalStringPtr = builder->CreateGlobalStringPtr("Hello World", "str2", 0);
    globalStringPtr->print(raw_os_ostream);

    delete module;
    delete builder;

    return 0;
}