- Do not step into the PPC solib trampolines (BZ 200533).
- Fix exec() from threaded program, partial CVS backport (BZ 182116).
- Fix occasional failure to load shared libraries (BZ 146810).
- Bugfix object names completion (fixes Patch116, BZ 193763).
- Avoid crash of 'info threads' if stale threads exist (BZ 195429).
- Handle corrupted or missing location list information (BZ 196439).
