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From: "gprocida at google dot com" <sourceware-bugzilla@sourceware.org>
To: libabigail@sourceware.org
Subject: [Bug default/29458] New: abidw considers (some) function-local types
 to belong to the wrong scope
Date: Mon, 08 Aug 2022 17:23:17 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D29458

            Bug ID: 29458
           Summary: abidw considers (some) function-local types to belong
                    to the wrong scope
           Product: libabigail
           Version: unspecified
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: default
          Assignee: dodji at redhat dot com
          Reporter: gprocida at google dot com
                CC: libabigail at sourceware dot org
  Target Milestone: ---

I was looking at commit df28c220976f41620b0bd7b22000815e11f66b75 (current
master) and the update to the test files there showed an interesting change.

There are multiple vtkPixelTransfer::VTK_TT typedefs in the ABI. However, b=
oth
dwarfdump and the original source code show that VTK_TT is a function-local
(actually block-local) type.

Source:
https://github.com/Kitware/VTK/blob/master/Common/Core/vtkSetGet.h#L1064

This suggests that libabigail is attributing the type to the wrong scope.

However, with all the macro and template magic going on, it's hard to be 10=
0%
certain.

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