re PR preprocessor/71183 (gcc -E always gives __DATE__ and __TIME__ as Jan 1 1970 00:00:00)

	PR preprocessor/71183
	* c-ppoutput.c (init_pp_output): Set cb->get_source_date_epoch
	to cb_get_source_date_epoch.

	* gcc.dg/cpp/source_date_epoch-3.c: New test.

From-SVN: r237408

gcc/c-family/ChangeLog

+2016-06-13  Jakub Jelinek  <jakub@redhat.com>
+
+	PR preprocessor/71183
+	* c-ppoutput.c (init_pp_output): Set cb->get_source_date_epoch
+	to cb_get_source_date_epoch.
+
 2016-06-10  Jakub Jelinek  <jakub@redhat.com>
 
 	PR c/68657

gcc/c-family/c-ppoutput.c

@@ -150,6 +150,7 @@ init_pp_output (FILE *out_stream)
     }
 
   cb->has_attribute = c_common_has_attribute;
+  cb->get_source_date_epoch = cb_get_source_date_epoch;
 
   /* Initialize the print structure.  */
   print.src_line = 1;

gcc/testsuite/ChangeLog

+2016-06-13  Jakub Jelinek  <jakub@redhat.com>
+
+	PR preprocessor/71183
+	* gcc.dg/cpp/source_date_epoch-3.c: New test.
+
 2016-06-13  Jeff Law  <law@redhat.com>
 
 	PR tree-optimization/71403

gcc/testsuite/gcc.dg/cpp/source_date_epoch-3.c

+/* PR preprocessor/71183 */
+/* { dg-do preprocess } */
+/* { dg-set-compiler-env-var SOURCE_DATE_EPOCH "630333296" } */
+
+const char *date = __DATE__;
+const char *time = __TIME__;
+
+/* { dg-final { scan-file source_date_epoch-3.i "Dec 22 1989" } } */
+/* { dg-final { scan-file source_date_epoch-3.i "12:34:56" } } */