diff --git a/test/Object/mri1.test b/test/Object/mri1.test
index 3d27db7996a..ad3bbde72b1 100644
--- a/test/Object/mri1.test
+++ b/test/Object/mri1.test
@@ -4,3 +4,6 @@
 
 ; RUN: llvm-ar -M  < %t.mri
 ; RUN: llvm-ar t %t.a
+
+; line_iterator is incompatible to CRLF.
+; REQUIRES: shell
diff --git a/test/Object/mri3.test b/test/Object/mri3.test
index bdc53991510..4a7360134dc 100644
--- a/test/Object/mri3.test
+++ b/test/Object/mri3.test
@@ -4,3 +4,6 @@
 
 ; RUN: not llvm-ar -M  < %t.mri 2>&1 | FileCheck %s
 ; CHECK: File already saved.
+
+; line_iterator is incompatible to CRLF.
+; REQUIRES: shell
diff --git a/test/Object/mri4.test b/test/Object/mri4.test
index a24c14d7d28..1be4fd0ad87 100644
--- a/test/Object/mri4.test
+++ b/test/Object/mri4.test
@@ -2,3 +2,6 @@
 
 ; RUN: not llvm-ar -M  < %t.mri 2>&1 | FileCheck %s
 ; CHECK: Unknown command: abc.
+
+; line_iterator is incompatible to CRLF.
+; REQUIRES: shell