bors a268a1c4bb auto merge of #9490 : alexcrichton/rust/issue-9487, r=cmr
If there's no TLS key just yet, then there's nothing to unsafely borrow, so
continue returning None. This prevents causing the runtime to abort itself when
logging before the runtime is fully initialized.

Closes #9487

r? @brson
2013-09-26 00:30:57 -07:00
..