Note that the code in `LLVMRustDIBuilderCreateStaticVariable` that tried to downcast `InitVal` appears to have been dead, because `llvm::ConstantInt` and `llvm::ConstantFP` are not subclasses of `llvm::GlobalVariable`.
Note that the code in `LLVMRustDIBuilderCreateStaticVariable` that tried to downcast `InitVal` appears to have been dead, because `llvm::ConstantInt` and `llvm::ConstantFP` are not subclasses of `llvm::GlobalVariable`.