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-rw-r--r--test/Lexer/has_extension.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/test/Lexer/has_extension.c b/test/Lexer/has_extension.c
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+++ b/test/Lexer/has_extension.c
@@ -0,0 +1,30 @@
+// 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
+
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