For tip/objtool/core.

- Patches 1 and 2 fix some issues which were found when testing with
  AutoFDO .cold functions.

- Patches 3-5 make improvements to the handling of symbol aliases.

- Patch 6 uses the alias infrastructure to simplify the .cold
  parent/child correlation code.

Josh Poimboeuf (6):
  objtool: Support Clang AUTOFDO .cold functions
  objtool: Fix .cold function detection for duplicate symbols
  objtool: Don't alias undefined symbols
  objtool: Return canonical symbol when aliases exist in symbol finding
    helpers
  objtool: Skip non-canonical aliased symbols in add_jump_table_alts()
  objtool: Remove second pass of .cold function correlation

 tools/objtool/check.c               | 25 +---------
 tools/objtool/elf.c                 | 71 +++++++++++++++++++++--------
 tools/objtool/include/objtool/elf.h |  2 +-
 3 files changed, 55 insertions(+), 43 deletions(-)

-- 
2.51.1