commit 9a637e3326936e1669ba5cbf93924033a01fe525
author thakis <thakis@chromium.org> Thu Aug 25 13:21:35 2016 -0700
committer Commit bot <commit-bot@chromium.org> Thu Aug 25 20:24:00 2016 +0000
tree 652af0f6776d7dabc1218ba5387ca0f01ec9196c
parent 5e4162cec63ee78982834284821035e2965a2b76

gn: Don't read unitialized memory on files containing just a comment.

The BlockNode::GetRange() of a block containing nothing doesn't have
an initialized bytes_ member.  Skip empty nodes, they'll be assinged
to the file block further down.

Patch sketch by scottmg.

BUG=640856

Review-Url: https://codereview.chromium.org/2271383003
Cr-Original-Commit-Position: refs/heads/master@{#414522}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: c3b455922b7ddb748e9a7b351cac7a4586c7e374