Adrian Prantl d492dcbc14 dsymutil/modules: Reword the warning for static libraries without module caches
In addition to clarifying the warning message this contains a minor functional
change in that it now warns if the *immediate* parent directory in which the
missing PCM is expected to be isn't found.

This patch also includes a more comprehensive testcase.

rdar://problem/25860711

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270269 91177308-0d34-0410-b5e6-96231b3b80d8
2016-05-20 20:36:06 +00:00
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