1 files changed, 12 insertions, 0 deletions
diff --git a/test/Sema/builtin-unary-fp.c b/test/Sema/builtin-unary-fp.c
new file mode 100644
index 0000000000000..70c7a297fbe39
--- /dev/null
+++ b/test/Sema/builtin-unary-fp.c
@@ -0,0 +1,12 @@
+// RUN: clang-cc %s -fsyntax-only -verify -pedantic
+void check(int);
+void a() {
+  check(__builtin_isfinite(1.0f));
+  check(__builtin_isinf(1.0));
+  check(__builtin_isinf_sign(1.0L));
+  check(__builtin_isnan(1.0f));
+  check(__builtin_isnormal(1.0f));
+  check(__builtin_isfinite(1)); // expected-error{{requires argument of floating point type}}
+  check(__builtin_isinf()); // expected-error{{too few arguments}}
+  check(__builtin_isnan(1,2)); // expected-error{{too many arguments}}
+}