* tests/test-diff-dwarf.cc: New dwarf diffing regression test
harness.
* tests/data/test-diff-dwarf/test0-report.txt: New test input.
* tests/data/test-diff-dwarf/test0-v0.cc: Likewise.
* tests/data/test-diff-dwarf/test0-v0.o: Likewise.
* tests/data/test-diff-dwarf/test0-v1.cc: Likewise.
* tests/data/test-diff-dwarf/test0-v1.o: Likewise.
* tests/Makefile.am: Add the new test inputs from
tests/test-diff-dwarf.cc and tests/data/test-diff-dwarf/* to
the build system.
Signed-off-by: Dodji Seketeli <dodji@redhat.com>