From 222e2a7620e6520ffaf4fc4e69d79c18da31542e Mon Sep 17 00:00:00 2001
From: "Zancanaro; Carlo" <czan8762@plang3.cs.usyd.edu.au>
Date: Mon, 24 Sep 2012 09:58:17 +1000
Subject: Add the clang library to the repo (with some of my changes, too).

---
 clang/test/Lexer/has_extension.c | 44 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 clang/test/Lexer/has_extension.c

(limited to 'clang/test/Lexer/has_extension.c')

diff --git a/clang/test/Lexer/has_extension.c b/clang/test/Lexer/has_extension.c
new file mode 100644
index 0000000..3b08510
--- /dev/null
+++ b/clang/test/Lexer/has_extension.c
@@ -0,0 +1,44 @@
+// RUN: %clang_cc1 -E %s -o - | FileCheck --check-prefix=CHECK-PED-NONE %s
+// RUN: %clang_cc1 -pedantic-errors -E %s -o - | FileCheck --check-prefix=CHECK-PED-ERR %s
+
+// CHECK-PED-NONE: no_dummy_extension
+#if !__has_extension(dummy_extension)
+int no_dummy_extension();
+#endif
+
+// Arbitrary feature to test that has_extension is a superset of has_feature
+// CHECK-PED-NONE: attribute_overloadable
+#if __has_extension(attribute_overloadable)
+int attribute_overloadable();
+#endif
+
+// CHECK-PED-NONE: has_c_static_assert
+// CHECK-PED-ERR: no_c_static_assert
+#if __has_extension(c_static_assert)
+int has_c_static_assert();
+#else
+int no_c_static_assert();
+#endif
+
+// CHECK-PED-NONE: has_c_generic_selections
+// CHECK-PED-ERR: no_c_generic_selections
+#if __has_extension(c_generic_selections)
+int has_c_generic_selections();
+#else
+int no_c_generic_selections();
+#endif
+
+// CHECK-PED-NONE: has_c_alignas
+// CHECK-PED-ERR: no_c_alignas
+#if __has_extension(c_alignas)
+int has_c_alignas();
+#else
+int no_c_alignas();
+#endif
+
+// Arbitrary feature to test that the extension name can be surrounded with
+// double underscores.
+// CHECK-PED-NONE: has_double_underscores
+#if __has_extension(__c_alignas__)
+int has_double_underscores();
+#endif
-- 
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