Minor fix to gcc 4.8 release.

This CL includes the following changes -
 - backport rev202712 from gcc-4_8-branch (include a source modification and testcase)
 - x86_64 and arm dejagnu baseline for this branch (baseline only, no analysis yet)
 - missing .gitignore

None of the above modification changes the code gen.

TEST=remote board hwtest (still on going) and 1-1 binary comparison for all ELF files
BUG=None

Change-Id: I6d8f5bff52f201387d7034c448d4cad4fa717b3c
Reviewed-on: https://chromium-review.googlesource.com/181765
Reviewed-by: Mike Frysinger <[email protected]>
Tested-by: Han Shen <[email protected]>
Commit-Queue: Han Shen <[email protected]>
Tested-by: Han Shen <[email protected]>
9 files changed