[binutils-gdb] Copy from GCC: Add linker_output as prefix for LTO temps (PR lto/86548).

[sergiodj+buildbot@sergiodj.net]

*** TEST RESULTS FOR COMMIT 50320b1d4a1dd06db70aeea485e0ffd9871548e0 ***

Author: marxin <marxin@138bc75d-0d04-0410-961f-82ee72b054a4>
Branch: master
Commit: 50320b1d4a1dd06db70aeea485e0ffd9871548e0

Copy from GCC: Add linker_output as prefix for LTO temps (PR lto/86548).

2018-07-26  Martin Liska  <mliska@suse.cz>

        PR lto/86548
	* libiberty.h (make_temp_file_with_prefix): New function.
2018-07-26  Martin Liska  <mliska@suse.cz>

        PR lto/86548
	* make-temp-file.c (TEMP_FILE): Remove leading 'cc'.
	(make_temp_file): Call make_temp_file_with_prefix with
        first argument set to NULL.
	(make_temp_file_with_prefix): Support also prefix.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@262999 138bc75d-0d04-0410-961f-82ee72b054a4