diff --git a/test/Feature/float.ll b/test/Feature/float.ll
new file mode 100644
index 00000000000..e16f092e4cd
--- /dev/null
+++ b/test/Feature/float.ll
@@ -0,0 +1,6 @@
+; RUN: llvm-as %s -o - | llvm-dis > Output/t1.ll
+; RUN: llvm-as Output/t1.ll -o - | llvm-dis > Output/t2.ll
+; RUN: diff Output/t1.ll Output/t2.ll
+
+%F1     = global float 0x4010000000000000
+%D1     = global double 0x4010000000000000