This op is heavily used by clang with PDB debug info, while
MSVC barely uses it.
This fixes a bunch of problems when loading PDB files generated
by clang (eg. the PDB files from wine-gecko).
Signed-off-by: Eric Pouech <eric.pouech(a)gmail.com>
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https://gitlab.winehq.org/wine/wine/-/merge_requests/1412