[Bug preprocessor/51745] Strange symbol appears when using commandline definition without "="

[mikulas at artax dot karlin.mff.cuni.cz]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51745

--- Comment #4 from mikulas at artax dot karlin.mff.cuni.cz 2012-01-10 18:59:06 UTC ---
If you input garbage into a compiler, it should report an error, not output
garbage.