Add tests for __gcov_dump and __gcov_reset

	* g++.dg/gcov/gcov-dump-1.C: New test.
	* g++.dg/gcov/gcov-dump-2.C: New test.

From-SVN: r239308

gcc/testsuite/ChangeLog

 2016-08-09  Martin Liska  <mliska@suse.cz>
 
+	* g++.dg/gcov/gcov-dump-1.C: New test.
+	* g++.dg/gcov/gcov-dump-2.C: New test.
+
+2016-08-09  Martin Liska  <mliska@suse.cz>
+
 	* gcc.dg/tree-prof/val-prof-9.c: New test.
 
 2016-08-09  Martin Liska  <mliska@suse.cz>

gcc/testsuite/g++.dg/gcov/gcov-dump-1.C

+/* { dg-options "-fprofile-generate -ftest-coverage -lgcov" } */
+/* { dg-do run { target native } } */
+
+int value;
+
+extern "C" { void __gcov_dump(void); }
+
+int main(int argc, char **argv)
+{
+  value = 123;					/* count(1) */
+
+  for (unsigned i = 0; i < 100; i++)
+    value += argc;				/* count(100) */
+
+  __gcov_dump();
+
+  for (unsigned i = 0; i < 1000; i++)		/* count(#####) */
+    value += argc;
+
+  return 0;					/* count(#####) */
+}
+
+/* { dg-final { run-gcov gcov-dump-1.C } } */

gcc/testsuite/g++.dg/gcov/gcov-dump-2.C

+/* { dg-options "-fprofile-generate -ftest-coverage -lgcov" } */
+/* { dg-do run { target native } } */
+
+int value;
+
+extern "C"
+{
+  void __gcov_dump(void);
+  void __gcov_reset(void);
+}
+
+int main(int argc, char **argv)
+{
+  value = 123;					/* count(1) */
+
+  for (unsigned i = 0; i < 100; i++)
+    value += argc;				/* count(100) */
+
+  __gcov_dump();
+
+  for (unsigned i = 0; i < 1000; i++)		/* count(#####) */
+    value += argc;
+
+  __gcov_reset ();
+
+  for (unsigned i = 0; i < 10000; i++)		/* count(10001) */
+    value += argc;
+
+  return 0;					/* count(1) */
+}
+
+/* { dg-final { run-gcov gcov-dump-2.C } } */