diff --git a/test/Assembler/2004-02-01-NegativeZero.llx b/test/Assembler/2004-02-01-NegativeZero.llx
new file mode 100644
index 00000000000..58d39953d94
--- /dev/null
+++ b/test/Assembler/2004-02-01-NegativeZero.llx
@@ -0,0 +1,5 @@
+; RUN: llvm-as < %s | llvm-dis | grep 0x80
+
+global double 0x8000000000000000
+
+