diff --git a/test/MC/ELF/bad-section.s b/test/MC/ELF/bad-section.s
new file mode 100644
index 00000000000..73d89ce765a
--- /dev/null
+++ b/test/MC/ELF/bad-section.s
@@ -0,0 +1,9 @@
+// RUN: not llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu %s -o /dev/null 2>%t
+// RUN: FileCheck --input-file=%t %s
+
+// CHECK: error: unexpected token in directive
+// CHECK: .section "foo"-bar
+
+// test that we don't accept this, as gas doesn't.
+
+.section "foo"-bar