[Bug driver/64094] "No such file or directory" -> "No such file"

[jg at jguk dot org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64094

--- Comment #6 from Jon Grant <jg at jguk dot org> ---
Two more tests where I try to pass directories to GCC.

(1)
$ mkdir testdir

$ gcc -Wall -Werror -o main testdir
testdir: file not recognized: Is a directory
collect2: error: ld returned 1 exit status


(2)
$ mkdir testdir.cpp

$ gcc -o main testdir.cpp
cc1plus: fatal error: testdir.cpp: No such file or directory
compilation terminated.


Re (1) output reasonable. Although I don't know why it is getting all the way
to LD after the error?

Re (2) error handling not quite right, appears to have slipped through, 
because it had .cpp extension?

Perhaps each "filename" could be checked with if (stat(pathname, &sb) == 0 &&
S_ISDIR(sb.st_mode))