diff --git a/test/Bindings/Ocaml/analysis.ml b/test/Bindings/Ocaml/analysis.ml
index 8d8a1df5b7d..9c61295d455 100644
--- a/test/Bindings/Ocaml/analysis.ml
+++ b/test/Bindings/Ocaml/analysis.ml
@@ -1,4 +1,4 @@
-(* RUN: %ocamlc llvm.cma llvm_analysis.cma %s -o %t
+(* RUN: %ocamlc -warn-error A llvm.cma llvm_analysis.cma %s -o %t
  * RUN: ./%t %t.bc
  *)
 
diff --git a/test/Bindings/Ocaml/bitreader.ml b/test/Bindings/Ocaml/bitreader.ml
index 05bbd28e06f..59f036fe2df 100644
--- a/test/Bindings/Ocaml/bitreader.ml
+++ b/test/Bindings/Ocaml/bitreader.ml
@@ -1,4 +1,4 @@
-(* RUN: %ocamlc llvm.cma llvm_bitreader.cma llvm_bitwriter.cma %s -o %t
+(* RUN: %ocamlc -warn-error A llvm.cma llvm_bitreader.cma llvm_bitwriter.cma %s -o %t
  * RUN: ./%t %t.bc
  * RUN: llvm-dis < %t.bc | grep caml_int_ty
  *)
@@ -25,7 +25,7 @@ let _ =
       let m = Llvm_bitreader.parse_bitcode mb in
       Llvm.dispose_module m
     with x ->
-      Llvm.MemoryBuffer.dispose;
+      Llvm.MemoryBuffer.dispose mb;
       raise x
     end
   end;
diff --git a/test/Bindings/Ocaml/bitwriter.ml b/test/Bindings/Ocaml/bitwriter.ml
index 7bcdd4768f9..93e8d00cea0 100644
--- a/test/Bindings/Ocaml/bitwriter.ml
+++ b/test/Bindings/Ocaml/bitwriter.ml
@@ -1,4 +1,4 @@
-(* RUN: %ocamlc llvm.cma llvm_bitwriter.cma %s -o %t
+(* RUN: %ocamlc -warn-error A llvm.cma llvm_bitwriter.cma %s -o %t
  * RUN: ./%t %t.bc
  * RUN: llvm-dis < %t.bc | grep caml_int_ty
  *)
diff --git a/test/Bindings/Ocaml/vmcore.ml b/test/Bindings/Ocaml/vmcore.ml
index fb8445bbcbd..2597c6fa3a6 100644
--- a/test/Bindings/Ocaml/vmcore.ml
+++ b/test/Bindings/Ocaml/vmcore.ml
@@ -1,4 +1,4 @@
-(* RUN: %ocamlc llvm.cma llvm_analysis.cma llvm_bitwriter.cma %s -o %t
+(* RUN: %ocamlc -warn-error A llvm.cma llvm_analysis.cma llvm_bitwriter.cma %s -o %t
  * RUN: ./%t %t.bc
  * RUN: llvm-dis < %t.bc > %t.ll
  *)