Check for SD-6 feature test macro when determining which tests should be

available, rather than #ifdef'ing away the relevant tests if it's unavailable.

llvm-svn: 288543

libcxxabi/test/catch_function_03.pass.cpp

@@ -8,12 +8,10 @@
 //===----------------------------------------------------------------------===//
 
 // Can a noexcept function pointer be caught by a non-noexcept catch clause?
-// UNSUPPORTED: c++98, c++03, c++11, c++14
-// UNSUPPORTED: libcxxabi-no-exceptions
+// UNSUPPORTED: libcxxabi-no-exceptions, libcxxabi-no-noexcept-function-type
 
 #include <cassert>
 
-#ifdef __cpp_noexcept_function_type
 template<bool Noexcept> void f() noexcept(Noexcept) {}
 template<bool Noexcept> using FnType = void() noexcept(Noexcept);
 
@@ -64,6 +62,3 @@ int main()
     check<true, true>();
     check_deep();
 }
-#else
-int main() {}
-#endif

libcxxabi/test/catch_member_function_pointer_02.pass.cpp

@@ -9,12 +9,10 @@
 
 // Can a noexcept member function pointer be caught by a non-noexcept catch
 // clause?
-// UNSUPPORTED: c++98, c++03, c++11, c++14
-// UNSUPPORTED: libcxxabi-no-exceptions
+// UNSUPPORTED: libcxxabi-no-exceptions, libcxxabi-no-noexcept-function-type
 
 #include <cassert>
 
-#ifdef __cpp_noexcept_function_type
 struct X {
   template<bool Noexcept> void f() noexcept(Noexcept) {}
 };
@@ -67,6 +65,3 @@ int main()
     check<true, true>();
     check_deep();
 }
-#else
-int main() {}
-#endif

libcxxabi/test/libcxxabi/test/config.py

@@ -33,10 +33,15 @@ class Configuration(LibcxxConfiguration):
         self.libcxxabi_obj_root = self.get_lit_conf('libcxxabi_obj_root')
         super(Configuration, self).configure_obj_root()
 
+    def has_cpp_feature(self, feature, required_value):
+        return int(self.cxx.dumpMacros().get('__cpp_' + feature, 0)) >= required_value
+
     def configure_features(self):
         super(Configuration, self).configure_features()
         if not self.get_lit_bool('enable_exceptions', True):
             self.config.available_features.add('libcxxabi-no-exceptions')
+        if not self.has_cpp_feature('noexcept_function_type', 201510):
+            self.config.available_features.add('libcxxabi-no-noexcept-function-type')
 
     def configure_compile_flags(self):
         self.cxx.compile_flags += ['-DLIBCXXABI_NO_TIMER']