K 10
svn:author
V 6
emaste
K 8
svn:date
V 27
2017-12-12T01:19:18.514770Z
K 7
svn:log
V 582
MFC r326547: lld: make -v behave similarly to GNU ld.bfd

Previously, lld exited with an error status if the only option given to
the command was -v. GNU linkers gracefully exit in that case. This patch
makes lld behave like GNU.

Note that even with this patch, lld's -v and --version options behave
slightly differently than GNU linkers' counterparts. For example,
if you run ld.bfd -v -v, the version string is printed out twice.
But that is an edge case that I don't think we need to take care of.

Fixes https://bugs.llvm.org/show_bug.cgi?id=31582

Obtained from:	LLVM r319717

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