CompileError calculator values v0.13.7

[AlexDev1]

Compilation error in the new version of the code:

@function parseInt ($ n) {
   @if ($ n ==! important) {
     @return! important
   } @else {
     $ rem-size: $ n / 14px;
     @return # {$ rem-size} rem;
   }
}

For example:
Error: 0.92857 is not a valid CSS value.
         on line 10 of mixins/_units.scss
$ rem-size: $ n / 14px;

    --------------- ^
There is no error in version 0.13.6

[asottile]

Can you open an issue on libsass itself? All we changed between 0.13.6 and 0.13.7 is the bundled libsass version (from 3.4.8 to 3.4.9)

I can make the issue too -- let me try and make a minimal testcase

[asottile]

Reported here: sass/libsass#2560