Rui Ueyama c817fd2273 Call File::beforeLink hook even if the file is in an archive. ...

Previously we didn't call the hook on a file in an archive, which
let the PE/COFF port fail to link files in archives. It was a
simple mistake. Added a call to the hook and also added a test to
catch that error.

const_cast is an unfortunate hack. Files in the resolver are usually
const, but they are not actually const objects, since they are
mutated if either a file is taken from an archive (an archive file
does never return the same file twice) or the beforeLink hook is
called. Maybe we should just remove const from there -- because they
are not const.

llvm-svn: 230808

2015-02-27 23:15:11 +00:00

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