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Dodji Seketeli 8b358c57bb ir: Make pointers name stable wrt decl-only-ness of pointed-to types
When emitting the pretty representation of pointers from the IR, it
can so happen that the pointed type is a decl-only type which has been
resolved to a definition.  In that case, the decl-only type might be
anonymous while the definition has a naming typedef, effectively
giving it a name.  Then, using the decl-only type to construct the
name of the type might yield a different type name, more precisely,
the internal "anonymous" name of that type.  This can lead to several
types having the same anonymous name, leading to instability with
respect to sorting.

The patch just looks through the decl-only pointed-to types before
using their name to construct the name of the pointer type.  The patch
does that for reference types as well.

	* src/abg-ir.cc (look_through_decl_only): New overload for
	type_base.
	* tests/data/test-read-dwarf/PR22122-libftdc.so.abi: Adjust.

Signed-off-by: Dodji Seketeli <dodji@redhat.com>
2022-07-19 18:47:56 +02:00
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This is the Application Binary Interface Generic Analysis and
Instrumentation Library.

It aims at constructing, manipulating, serializing and de-serializing
ABI-relevant artifacts.

The set of artifacts that we are intersted is made of quantities like
types, variable, functions and declarations of a given library or
program.  For a given library or program this set of quantities is
called an ABI corpus.

This library aims at (among other things) providing a way to compare
two ABI Corpora (apparently the plural of corpus is copora, heh,
that's cool), provide detailed information about their differences,
and help build tools to infer interesting conclusions about these
differences.

You are welcome to contribute to this project after reading the files
CONTRIBUTING and COMMIT-LOG-GUIDELINES files in the source tree.

Communicating with the maintainers of this project -- including
sending patches to be include to the source code -- happens via email
at libabigail@sourceware.org.