gcc -v

[Gabriel Dos Reis]

Hi,

Is there any technical reason why "gcc -v" should output to stderr and
not to "stdout"?  I'm in the process of adding (finally!) the new style
DejaGnu framework for V3 and I'm finding that "feature" to be
annoying as something like (the following which ran successfuly is
reported as a failure)

	set output [remote_exec host $libstdcxx_options(CXX) -v]

AFAICT, we should only use stderr for diagnostics, not for normal
behaviour. 

-- Gaby
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