-MD together with -save-temps broken

[Daniel Egger]

Hija,

using the 3.1 branch or HEAD the following:

/opt/gcc/bin/gcc -save-temps -O2 -Wall -Wp,-MD,.deps/glib-genmarshal.pp
-c glib-genmarshal.c

is broken. The preprocessed file (.i) will be empty and thus the object
file, too. The assembly just contains the typical header:
        .file   "glib-genmarshal.i"
        .ident  "GCC: (GNU) 3.2 20020313 (experimental)"

Any ideas?

-- 
Servus,
       Daniel