Strange pedantic error message

[dewar@gnat.com]

<<Is it not true however that GCC itself is intended to be bootstrapped on non-GNU
compilers?  In that case, GNU extensions in the GCC source code would probably
be a bad idea, and -pedantic could help to avoid these.
>>

perhaps, probably not in practice -- GCC itself is required to be written
in traditional C, which of course is different from (not necessarily even
a precise subset of) ANSI C.