diff --git a/test/MC/AsmParser/directive_elf_size.s b/test/MC/AsmParser/directive_elf_size.s
new file mode 100644
index 00000000000..af35ae07ed6
--- /dev/null
+++ b/test/MC/AsmParser/directive_elf_size.s
@@ -0,0 +1,8 @@
+# RUN: llvm-mc -triple i386-pc-linux-gnu %s | FileCheck %s
+
+a:
+	ret
+.Lt:
+# CHECK: .size	a, .Lt-a
+	.size	a, .Lt-a
+