/bin before /usr/bin makes i686-w64-mingw-gcc fail

[Thomas Nilsson <thomas at junovagen dot se>]

During some unfortunate events I happened to get /bin as the first 
directory in my PATH. This caused the gcc cross compilers to fail with:

    i686-w64-mingw32-gcc: error: spawn: No such file or directory

With -v is said

    Using built-in specs.
    COLLECT_GCC=i686-w64-mingw32-gcc
    Target: i686-w64-mingw32
    Configured with: ...  --enable-lto
    Thread model: win32
    gcc version 4.8.2 (GCC)
    COLLECT_GCC_OPTIONS='-v' '-mtune=generic' '-march=pentiumpro'
        cc1 -quiet -v -iprefix /bin/../lib/gcc/i686-w64-mingw32/4.8.2/ 
-U_REENTRANT exe.c -quiet -dumpbase exe.c -mtune=generic 
-march=pentiumpro -auxbase exe -version -o /tmp/cct8mpeq.s
    i686-w64-mingw32-gcc: error: spawn: No such file or directory

As you can see the 'cc1' does not have a path in front of it. After some 
investigation I also found that it did not announce its use of 
COLLECT_LTO_WRAPPER although it was configured with it.

I am just curious if this is expected behvaiour, something I should 
report, or just leave it.

Once I found it, it was not a problem, of course.

Regards,
    Thomas

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