[Bug c/58286] Need option to make incompatible pointer type warnings into compiler errors

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58286

--- Comment #2 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Author: mpolacek
Date: Tue Jul  1 08:31:58 2014
New Revision: 212192

URL: https://gcc.gnu.org/viewcvs?rev=212192&root=gcc&view=rev
Log:
    PR c/58286
    * doc/invoke.texi: Document -Wincompatible-pointer-types.
c-family/
    * c.opt (Wincompatible-pointer-types): New option.
c/
    * c-typeck.c (convert_for_assignment): Pass
    OPT_Wincompatible_pointer_types instead of 0 to WARN_FOR_ASSIGNMENT.
testsuite/
    * gcc.dg/Wincompatible-pointer-types.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/Wincompatible-pointer-types.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/c-family/ChangeLog
    trunk/gcc/c-family/c.opt
    trunk/gcc/c/ChangeLog
    trunk/gcc/c/c-typeck.c
    trunk/gcc/doc/invoke.texi
    trunk/gcc/testsuite/ChangeLog