[Bug d/89255] libphobos.unittests multilib handling broken

[ibuclaw at gdcproject dot org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89255

Iain Buclaw <ibuclaw at gdcproject dot org> changed:

           What    |Removed                     |Added
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  Attachment #46060|0                           |1
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  Attachment #46069|0                           |1
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  Attachment #46077|0                           |1
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--- Comment #15 from Iain Buclaw <ibuclaw at gdcproject dot org> ---
Created attachment 46086
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=46086&action=edit
patch for pr89255

Tracked down hang in std.net.curl module ctor/dtors inside version(unittest)
code are now added to test module info record.

Posting new patch with all so far.