IR: fix not checking for error in unary bool not
IR: fix not checking for error in unary bool not

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