Update a comment to clarify that searching the target triple bindirectory for programs used by the driver is actually the standardbehavior we want to be compatible with GCC cross compilers -- it is
Update a comment to clarify that searching the target triple bindirectory for programs used by the driver is actually the standardbehavior we want to be compatible with GCC cross compilers -- it isn'tspecific to SUSE or any other distro.Also start fleshing out testing of the different cross compilationpatterns, both with a new very bare-bones tree of cross compilers and byextending the multilib trees. Currently, we don't correctly model doinga cross compile using the non-triple target of a bi-arch GCC install,but I'll add support for that (and tests) next.llvm-svn: 184499
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