1 files changed, 13 insertions, 0 deletions
diff --git a/test/Sema/variadic-promotion.c b/test/Sema/variadic-promotion.c
new file mode 100644
index 0000000..b248774
--- /dev/null
+++ b/test/Sema/variadic-promotion.c
@@ -0,0 +1,13 @@
+// RUN: %clang_cc1 -ast-dump %s | FileCheck %s
+
+void variadic(int, ...);
+
+void test_floating_promotion(__fp16 *f16, float f32, double f64) {
+  variadic(3, *f16, f32, f64);
+
+// CHECK: ImplicitCastExpr {{.*}} 'double' <FloatingCast>
+// CHECK-NEXT: 'half'
+
+// CHECK: ImplicitCastExpr {{.*}} 'double' <FloatingCast>
+// CHECK-NEXT: 'float'
+}