[Bug driver/48306] [4.4/4.5/4.6/4.7 Regression] presence of gcc subdir with . in PATH causes breakdown

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48306

--- Comment #8 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-01-02 
22:18:25 UTC ---
Author: jakub
Date: Mon Jan  2 22:18:21 2012
New Revision: 182820

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=182820
Log:
    * make-relative-prefix.c (make_relative_prefix_1): Avoid
    stack overflow if PATH contains just a single entry and
    HOST_EXECUTABLE_SUFFIX needs to be used.

    PR driver/48306
    * make-relative-prefix.c: Include sys/stat.h.
    (make_relative_prefix_1): If access succeeds, check also stat
    if nstore is a regular file.

Modified:
    trunk/libiberty/ChangeLog
    trunk/libiberty/make-relative-prefix.c