[PATCH] Clean-up C's builtin function type matching.

[Gabriel Dos Reis]

Roger Sayle <roger@eyesopen.com> writes:

| I do believe there's a strong argument for -pedantic for the non-public
| redeclaration, but perhaps the FreeBSD community might also consider
| fixing their non-conformant usage of reserved symbols?

Why would

  int main(void) { int sin = 0; return sin; }

be a non-conformant usage of 'sin'?

-- Gaby