* [Bug default/20914] New: New categorization pass to filter out data member insertions at the end of structs
@ 2016-01-01 0:00 dodji at redhat dot com
0 siblings, 0 replies; only message in thread
From: dodji at redhat dot com @ 2016-01-01 0:00 UTC (permalink / raw)
To: libabigail
https://sourceware.org/bugzilla/show_bug.cgi?id=20914
Bug ID: 20914
Summary: New categorization pass to filter out data member
insertions at the end of structs
Product: libabigail
Version: unspecified
Status: NEW
Severity: enhancement
Priority: P2
Component: default
Assignee: dodji at redhat dot com
Reporter: dodji at redhat dot com
CC: libabigail at sourceware dot org
Target Milestone: ---
Let's consider a struct or class S. If a data member is added at the end of S
and if no other struct/class contains S and if no function has a parameter or
return value of type S, then it seems to me that the data member insertion into
S can be considered harmless from an ABI compatibility standpoint and can thus
be filtered out of the ABI change report.
Note that by "a class contains S", I mean either a class inherits S or a class
contains a data member of type S.
I believe libabigail provides the necessary framework to implement a
categorization pass like this one. It would be interesting to actually
implement it and see what we get.
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2016-01-01 0:00 [Bug default/20914] New: New categorization pass to filter out data member insertions at the end of structs dodji at redhat dot com
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