[Patch Testsuite] Make all_attributes.cc in to (almost_)all_attributes.cc for ARM.

	* testsuite/17_intro/headers/c++1998/all_attributes.cc: Disable
	test for unused for ARM.
	* testsuite/17_intro/headers/c++200x/all_attributes.cc: Likewise.
	* testsuite/17_intro/headers/c++2014/all_attributes.cc: Likewise.

From-SVN: r221538

libstdc++-v3/ChangeLog

+2015-03-20  James Greenhalgh  <james.greenhalgh@arm.com>
+
+	* testsuite/17_intro/headers/c++1998/all_attributes.cc: Disable
+	test for unused for ARM.
+	* testsuite/17_intro/headers/c++200x/all_attributes.cc: Likewise.
+	* testsuite/17_intro/headers/c++2014/all_attributes.cc: Likewise.
+
 2015-03-20  Jonathan Wakely  <jwakely@redhat.com>
 
 	* include/bits/c++config (__gnu_cxx::__cxx11): Define new namespace.

libstdc++-v3/testsuite/17_intro/headers/c++1998/all_attributes.cc

@@ -30,7 +30,10 @@
 #endif
 #define packed 1
 #define pure 1
+// glibc's sysdeps/unix/sysv/linux/arm/sys/ucontext.h uses this on ARM.
+#ifndef __arm__
 #define unused 1
+#endif
 
 #include <bits/stdc++.h> // TODO: this is missing from <bits/extc++.h>
 #include <bits/extc++.h>

libstdc++-v3/testsuite/17_intro/headers/c++200x/all_attributes.cc

@@ -29,7 +29,10 @@
 #endif
 #define packed 1
 #define pure 1
+// glibc's sysdeps/unix/sysv/linux/arm/sys/ucontext.h uses this on ARM.
+#ifndef __arm__
 #define unused 1
+#endif
 
 #include <bits/stdc++.h> // TODO: this is missing from <bits/extc++.h>
 #include <codecvt>       // TODO: this is missing from <bits/stdc++.h>

libstdc++-v3/testsuite/17_intro/headers/c++2014/all_attributes.cc

@@ -29,7 +29,10 @@
 #endif
 #define packed 1
 #define pure 1
+// glibc's sysdeps/unix/sysv/linux/arm/sys/ucontext.h uses this on ARM.
+#ifndef __arm__
 #define unused 1
+#endif
 
 #include <bits/stdc++.h> // TODO: this is missing from <bits/extc++.h>
 #include <shared_mutex>  // TODO: this is missing from <bits/stdc++.h>