* include/abg-comparison.h (changed_type_or_decl_vector): New
typedef.
* include/abg-fwd.h (is_data_member): Change the overload that
takes a decl_base_sptr to make it return the real var_decl_sptr
rather than just a bool.
* src/abg-comparison.cc (ChangedDataMemberComp, DataMemberComp):
New comparison functors.
(sort_changed_data_members, sort_data_members): Sorting functions
for changed data members and data members.
(class_diff::report): Sort reports for deleted, inserted and
change data members by the increasing value of the offsets of said
data members.
* src/abg-ir.cc (is_data_member): Change the overload that takes a
decl_base_sptr to make it return the real var_decl_sptr rather
than just a bool.
* tests/data/test-bidiff/test-struct1-report.txt: Adjust.
* tests/data/test-diff-dwarf/test13-report.txt: New test input.
* tests/data/test-diff-dwarf/test13-v0.cc: Source code for new
test input.
* tests/data/test-diff-dwarf/test13-v0.o: New test input.
* tests/data/test-diff-dwarf/test13-v1.cc: Source code for new
test input.
* tests/data/test-diff-dwarf/test13-v1.o: New test input.
* tests/Makefile.am: Add the new test inputs above to the source
distribution.
* tests/test-diff-dwarf.cc: Run this test harness on the new test
input.
Signed-off-by: Dodji Seketeli <dodji@redhat.com>