D4003: index: write expression for encoded revision index consistently

[yuja (Yuya Nishihara)]

yuja added a comment.


  > - n->children[k] = -rev - 1; +			n->children[k] = -(rev + 1);
  
  This is technically less correct since (MAX_INT + 1) overflows, but maybe
  we don't care?

REPOSITORY
  rHG Mercurial

REVISION DETAIL
  https://phab.mercurial-scm.org/D4003

To: martinvonz, #hg-reviewers, pulkit
Cc: yuja, mercurial-devel