gcc/ChangeLog:

2014-08-20  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	PR preprocessor/51303
	* incpath.c (remove_duplicates): Use cpp_warning.

gcc/c-family/ChangeLog:

2014-08-20  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	PR preprocessor/51303
	* c-common.c (struct reason_option_codes_t option_codes):
	Add CPP_W_MISSING_INCLUDE_DIRS. Sort alphabetically.

gcc/testsuite/ChangeLog:

2014-08-20  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	PR preprocessor/51303
	* gcc.dg/cpp/Wmissingdirs.c: Test for the warning option.

From-SVN: r214201