Cherrypick upstream r238048
Make unique section names the default again.

Using non unique names found a bug in the ICF inplementation in gold:

https://sourceware.org/bugzilla/show_bug.cgi?id=18440

This reverts commit r234143.

(this fixes the behavior of -ffunction-sections, e.g. for use in the IRT build)

R=jvoung@chromium.org

Review URL: https://codereview.chromium.org/1182563004.
2 files changed