[Bug] using input when indexing slice causes failed to parse

[0rphon]

🐛 Bug Report

Code snippet to reproduce

input:

[main]
x: u32 = 1u32;

code:

function main (x: u32) {
    let y = [0u8; 4];
    y[0..3][x] = 0;
}

Stack trace & error message

D:\Work\leo-playground>D:\Work\leo_repos\leo\target\release\leo clean && D:\Work\leo_repos\leo\target\release\leo run
      Done Finished in 0 milliseconds 

     Build Starting...
     Build Compiling main program... ("D:\\Work\\leo-playground\\src/main.leo")
      Done Finished in 2 milliseconds

Error:     --> D:\Work\leo-playground\src/main.leo:3:13
     |
   3 |     y[0..3][x] = 0;
     |             ^
     |
     = failed to parse `1` as expected integer type

Your Environment

• leo commit 2e0dab1
• rustc version 1.55.0-nightly
• Windows 10.0.19043 (Windows 10 Pro) [64-bit]