[Bug c/37995] using fails if gcc invoked in a directory which has a subdirectory called "gcc"

[ttignor at us dot ibm.com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37995

--- Comment #15 from Tom Tignor <ttignor at us dot ibm.com> 2012-08-15 21:27:31 
UTC ---
Created attachment 28022
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=28022
Simple repro for "gcc" subdir in PATH bug.