[Bug 47190] New: Custom protocol handler CF doesn't support aggregation

https://bugs.winehq.org/show_bug.cgi?id=47190

Bug ID: 47190
           Summary: Custom protocol handler CF doesn't support aggregation
           Product: Wine
           Version: 4.8
          Hardware: x86-64
                OS: Linux
            Status: NEW
          Keywords: regression
          Severity: normal
          Priority: P2
         Component: urlmon
          Assignee: [e-mail]
          Reporter: [e-mail]
                CC: [e-mail]
   Regression SHA1: 097811f2513e457ebf4afb1d2d21ab90b8684325
      Distribution: ---

Created attachment 64439
  --> https://bugs.winehq.org/attachment.cgi?id=64439
+urlmon,+ieframe,+mshtml,+seh,+tid log of the failure

Since the following commit

097811f2513e457ebf4afb1d2d21ab90b8684325 is the first bad commit
commit 097811f2513e457ebf4afb1d2d21ab90b8684325
Author: Jacek Caban 
Date:   Wed May 9 14:58:49 2018 +0200

urlmon: Use COM aggregation for urlmon protocols in BindProtocol::StartEx.

Signed-off-by: Jacek Caban 
    Signed-off-by: Alexandre Julliard

the application that I have here fails to render pictures in its custom
IE frame wrapper.

Attached log shows the failure, I've added traces around
IClassFactory_CreateInstance() to make it easier to find the failure in the
log.