[Driver] Default to libc++ on FreeBSD
authorJan Beich <jbeich@FreeBSD.org>
Mon, 22 Nov 2021 16:32:58 +0000 (11:32 -0500)
committerEd Maste <emaste@FreeBSD.org>
Mon, 22 Nov 2021 21:47:03 +0000 (16:47 -0500)
commit2dec2aa3ad083dbde838809f0e8c7ae31110e111
treeb258444fed0e8e13dede5f58ab3ee879edc9607b
parentf6718fc6d30219816a20235984e84db2e1f96fd8
[Driver] Default to libc++ on FreeBSD

All supported FreeBSD releases use libc++, so default to it if the
target's major version is not specified.

Reviewed by: dim, emaste
Differential Revision: https://reviews.llvm.org/D77776
clang/lib/Driver/ToolChains/FreeBSD.cpp
clang/test/Driver/freebsd.cpp