diff --git a/llvm/test/tools/llvm-readobj/codeview-linetables.test b/llvm/test/tools/llvm-readobj/codeview-linetables.test
index 4854d7a..28e34b7 100644
--- a/llvm/test/tools/llvm-readobj/codeview-linetables.test
+++ b/llvm/test/tools/llvm-readobj/codeview-linetables.test
@@ -1,10 +1,44 @@
-RUN: llvm-readobj -s -codeview-linetables %p/Inputs/multifunction-linetables.obj.coff-2012-i368 \
+; The following two object files were generated using the following command:
+;   D:\> cl /Z7 /c source.c
+; with the following contents of D:\source.c:
+;   void z(void);
+;
+;   void x(void) {
+;     z();
+;   }
+;
+;   void y(void) {
+;     z();
+;   }
+;
+;   void f(void) {
+;     x();
+;     y();
+;     z();
+;   }
+; using CL v18.00.21005.1 32-/64-bit versions respectively.
+RUN: llvm-readobj -s -codeview-linetables %p/Inputs/multifunction-linetables.obj.coff-2013-i368 \
 RUN:   | FileCheck %s -check-prefix MFUN32
-RUN: llvm-readobj -s -codeview-linetables %p/Inputs/multifunction-linetables.obj.coff-2012-x86_64 \
+RUN: llvm-readobj -s -codeview-linetables %p/Inputs/multifunction-linetables.obj.coff-2013-x86_64 \
 RUN:   | FileCheck %s -check-prefix MFUN64
-RUN: llvm-readobj -s -codeview-linetables %p/Inputs/multifile-linetables.obj.coff-2012-i368 \
+
+; The following two object files were generated using the following command:
+;   D:\> cl /Z7 /c input.c
+; with the following contents of D:\input.c:
+;   void g(void);
+;
+;   void f(void) {
+;   #line 1 "one.c"
+;     g();
+;   #line 2 "two.c"
+;     g();
+;   #line 7 "one.c"
+;     g();
+;   }
+; using CL v18.00.21005.1 32-/64-bit versions respectively.
+RUN: llvm-readobj -s -codeview-linetables %p/Inputs/multifile-linetables.obj.coff-2013-i368 \
 RUN:   | FileCheck %s -check-prefix MFILE32
-RUN: llvm-readobj -s -codeview-linetables %p/Inputs/multifile-linetables.obj.coff-2012-x86_64 \
+RUN: llvm-readobj -s -codeview-linetables %p/Inputs/multifile-linetables.obj.coff-2013-x86_64 \
 RUN:   | FileCheck %s -check-prefix MFILE64
 
 MFUN32:      CodeViewLineTables [