gcc 4.2 more strict check for "function called through a non-compatible type"

[Gabriel Dos Reis]

Ian Lance Taylor <iant@google.com> writes:

[...]

| I personally don't agree that this needs to be a documented extension.
| I'm simply going on a more general rule which I tried to state above:
| I don't think we should insert a trap call for undefined code.

If it should not a documented extension, then it will "break" again, and
we will have this sort of discussion again.  If it should not be
documented, then it should stay as is.

-- Gaby