overloads_c++0x_neg.cc: Use dg-require-cmath.

2011-05-11  Paolo Carlini  <paolo.carlini@oracle.com>

	* testsuite/26_numerics/headers/cmath/overloads_c++0x_neg.cc: Use
	dg-require-cmath.
	* testsuite/tr1/8_c_compatibility/cmath/overloads_neg.cc: Likewise.

From-SVN: r173684

libstdc++-v3/ChangeLog

+2011-05-11  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	* testsuite/26_numerics/headers/cmath/overloads_c++0x_neg.cc: Use
+	dg-require-cmath.
+	* testsuite/tr1/8_c_compatibility/cmath/overloads_neg.cc: Likewise.
+
 2011-05-11  François Dumont  <francois.cppdevs@free.fr>
 
 	* include/ext/pb_ds/detail/resize_policy/

libstdc++-v3/testsuite/26_numerics/headers/cmath/overloads_c++0x_neg.cc

-// { dg-options "-std=gnu++0x" }
 // { dg-do compile }
+// { dg-options "-std=gnu++0x" }
+// { dg-require-cmath "" }
 
 // Copyright (C) 2011 Free Software Foundation, Inc.
 //
@@ -22,8 +23,6 @@
 
 // libstdc++/48933
 
-#ifdef _GLIBCXX_USE_C99_MATH_TR1
-
 struct Foo { };
 
 template Foo std::atan2<Foo, Foo>(Foo, Foo); // { dg-error "not match" }
@@ -61,5 +60,3 @@ template Foo std::scalbln<Foo>(Foo, long); // { dg-error "not match" }
 template Foo std::scalbn<Foo>(Foo, int); // { dg-error "not match" }
 template Foo std::tgamma<Foo>(Foo); // { dg-error "not match" }
 template Foo std::trunc<Foo>(Foo); // { dg-error "not match" }
-
-#endif

libstdc++-v3/testsuite/tr1/8_c_compatibility/cmath/overloads_neg.cc

 // { dg-do compile }
+// { dg-require-cmath "" }
 
 // Copyright (C) 2011 Free Software Foundation, Inc.
 //
@@ -23,8 +24,6 @@
 
 // libstdc++/48933
 
-#ifdef _GLIBCXX_USE_C99_MATH_TR1
-
 struct Foo { };
 
 template Foo std::tr1::atan2<Foo, Foo>(Foo, Foo); // { dg-error "not match" }
@@ -62,5 +61,3 @@ template Foo std::tr1::scalbln<Foo>(Foo, long); // { dg-error "not match" }
 template Foo std::tr1::scalbn<Foo>(Foo, int); // { dg-error "not match" }
 template Foo std::tr1::tgamma<Foo>(Foo); // { dg-error "not match" }
 template Foo std::tr1::trunc<Foo>(Foo); // { dg-error "not match" }
-
-#endif