[c-family/49654/49655] reject invalid options in pragma diagnostic
Use find_opt instead of linear search through options in
handle_pragma_diagnostic (PR 49654) and reject non-warning options and
options not valid for the current language (PR 49655).
gcc/testsuite/ChangeLog:
2015-09-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
PR c/49655
* gcc.dg/pragma-diag-6.c: New test.
gcc/ChangeLog:
2015-09-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
PR c/49655
* opts.h (write_langs): Declare.
* opts-global.c (write_langs): Make it extern.
gcc/c-family/ChangeLog:
2015-09-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
PR c/49654
PR c/49655
* c-pragma.c (handle_pragma_diagnostic): Detect non-warning
options and options not valid for the current language.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@228049
138bc75d-0d04-0410-961f-
82ee72b054a4