bug report : -save-temps and stdin

[Mike Dupont]

using a very recent :  gcc version 4.8.0 20121021 (experimental) (GCC)

h4ck3rm1k3@gcc10:~/experiments/build/glibc$ echo "int x;" |  g++
-save-temps -x c -
cc1: error: unrecognized command line option ‘-.i’

this causes problems compiling glibc with -save-temps.

is this known? should I report a bug? any ideas on fixing it, I might
be able to do so, it should be simple.

mike

-- 
James Michael DuPont
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