• VSCode Version: 1.2.1 (f6868fc)
• OS Version: Ubuntu 16.04 LTS

Steps to Reproduce:

1. Open two source files in separate tabs (A and B)

A.ts

function foldMe() {
  console.log('skip many lines');
  console.log('skip many lines');
  console.log('skip many lines');
  console.log('skip many lines');
}


function doSomething() {
  console.log('do something');
}



console.log('purposely left blanks above this');

B.ts

// empty file

2. Fold the foldMe() function in A, place the cursor inside the doSomething() function.
3. Press ctrl+tab to switch to B.
4. Press ctrl+shift+tab to switch back to A.
5. Press the right arrow key - observe the cursor jumps down by the number of folded lines in foldMe().

Possibly related to #26135, ping @alexandrudima