diff --git a/test/MC/MachO/bss.s b/test/MC/MachO/bss.s
new file mode 100644
index 00000000000..15d490ad5eb
--- /dev/null
+++ b/test/MC/MachO/bss.s
@@ -0,0 +1,17 @@
+// The purpose of this test is to verify that bss sections are emited correctly.
+
+// RUN: llvm-mc -filetype=obj -triple i686-apple-darwin9 %s | llvm-readobj -s | FileCheck %s
+// RUN: llvm-mc -filetype=obj -triple x86_64-apple-darwin9 %s | llvm-readobj -s | FileCheck %s
+
+    .bss
+    .globl _g0
+    .align 4
+_g0:
+    .long 0
+
+// CHECK:		Name: __bss (5F 5F 62 73 73 00 00 00 00 00 00 00 00 00 00 00)
+// CHECK-NEXT:	Segment: __DATA (5F 5F 44 41 54 41 00 00 00 00 00 00 00 00 00 00)
+// CHECK-NEXT:	Address: 0x0
+// CHECK-NEXT:	Size: 0x4
+// CHECK-NEXT:	Offset: 0
+// CHECK-NEXT:	Alignment: 4