wdate-time.c: Restored test case.

2016-10-20  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        * c-c++-common/wdate-time.c: Restored test case.
        * g++.dg/warn/Wconversion-real.C: Deleted empty file.

From-SVN: r241385

gcc/testsuite/ChangeLog

+2016-10-20  Bernd Edlinger  <bernd.edlinger@hotmail.de>
+
+	* c-c++-common/wdate-time.c: Restored test case.
+	* g++.dg/warn/Wconversion-real.C: Deleted empty file.
+
 2016-10-20  Jakub Jelinek  <jakub@redhat.com>
 
 	* g++.dg/cpp1z/inline-var1.C (w): Initialize to 64 + 2.

gcc/testsuite/c-c++-common/wdate-time.c

+/* { dg-do compile } */
+/* { dg-options "-Wdate-time" } */
+
+const char time[] = __TIME__;  /* { dg-warning "might prevent reproducible builds" }  */
+const char date[] = __DATE__;  /* { dg-warning "might prevent reproducible builds" }  */
+const char timestamp[] = __TIMESTAMP__;  /* { dg-warning "might prevent reproducible builds" }  */