Add WebAssembly output workaround for LLVM 6
Add WebAssembly output workaround for LLVM 6

raulgrell/zig,raulgrell/zig,Dimenus/zig,andrewrk/zig,zig-lang/zig,zig-lang/zig,raulgrell/zig,Dimenus/zig,Dimenus/zig,raulgrell/zig,raulgrell/zig,andrewrk/zig,zig-lang/zig