libstdc++.exp (check_v3_target_c_std): Avoid unused variable warnings leading to…

libstdc++.exp (check_v3_target_c_std): Avoid unused variable warnings leading to spurious fails of the test.

2008-07-18  Paolo Carlini  <paolo.carlini@oracle.com>

	* testsuite/lib/libstdc++.exp (check_v3_target_c_std): Avoid unused
	variable warnings leading to spurious fails of the test.

From-SVN: r137961

libstdc++-v3/ChangeLog

+2008-07-18  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	* testsuite/lib/libstdc++.exp (check_v3_target_c_std): Avoid unused
+	variable warnings leading to spurious fails of the test.
+
 2008-07-16  Paolo Carlini  <paolo.carlini@oracle.com>
 
 	* testsuite/30_threads/recursive_mutex/cons/assign_neg.cc: Adjust

libstdc++-v3/testsuite/lib/libstdc++.exp

@@ -687,7 +687,7 @@ proc check_v3_target_c_std { } {
 	puts $f "  int i = std::tr1::isnan(f);"
 	puts $f "  "
 	puts $f "  using std::wctomb;"
-	puts $f "  return 0;"
+	puts $f "  return i;"
 	puts $f "}" 
 	close $f