3 files changed, 8 insertions, 8 deletions
diff --git a/lib/hipe/main/Makefile b/lib/hipe/main/Makefile
index 6b6cad3ed3..8ef31dbb46 100644
--- a/lib/hipe/main/Makefile
+++ b/lib/hipe/main/Makefile
@@ -70,7 +70,7 @@ APPUP_TARGET= $(EBIN)/$(APPUP_FILE)
 
 include ../native.mk
 
-ERL_COMPILE_FLAGS += +nowarn_shadow_vars +warn_missing_spec +warn_untyped_record
+ERL_COMPILE_FLAGS += -Werror +nowarn_shadow_vars +warn_export_vars +warn_missing_spec +warn_untyped_record
 
 # ----------------------------------------------------
 # Targets
diff --git a/lib/hipe/main/hipe.erl b/lib/hipe/main/hipe.erl
index 0eaf06cb06..6c525dd143 100644
--- a/lib/hipe/main/hipe.erl
+++ b/lib/hipe/main/hipe.erl
@@ -596,16 +596,16 @@ fix_beam_exports([], Exports) ->
   Exports.
 
 get_beam_icode(Mod, {BeamCode, Exports}, File, Options) ->
-  ?option_time({ok, Icode} =
-		 (catch {ok, hipe_beam_to_icode:module(BeamCode, Options)}),
-	       "BEAM-to-Icode", Options),
+  {ok, Icode} =
+    ?option_time((catch {ok, hipe_beam_to_icode:module(BeamCode, Options)}),
+	         "BEAM-to-Icode", Options),
   BeamBin = get_beam_code(File),
   {{Mod, Exports, Icode}, BeamBin}.
 
 get_core_icode(Mod, Core, File, Options) ->
-  ?option_time({ok, Icode} =
-		 (catch {ok, cerl_to_icode:module(Core, Options)}),
-	       "BEAM-to-Icode", Options),
+  {ok, Icode} =
+    ?option_time((catch {ok, cerl_to_icode:module(Core, Options)}),
+		 "BEAM-to-Icode", Options),
   NeedBeamCode = not proplists:get_bool(load, Options),
   BeamBin = 
     case NeedBeamCode of
diff --git a/lib/hipe/main/hipe_main.erl b/lib/hipe/main/hipe_main.erl
index b9d783d20a..4b89feb48a 100644
--- a/lib/hipe/main/hipe_main.erl
+++ b/lib/hipe/main/hipe_main.erl
@@ -296,7 +296,7 @@ icode_ssa_convert(IcodeCfg, Options) ->
 icode_ssa_const_prop(IcodeSSA, Options) ->
   case proplists:get_bool(icode_ssa_const_prop, Options) of
     true ->
-      ?option_time(Tmp=hipe_icode_ssa_const_prop:propagate(IcodeSSA),
+      Tmp = ?option_time(hipe_icode_ssa_const_prop:propagate(IcodeSSA),
 		   "Icode SSA sparse conditional constant propagation", Options),
       ?option_time(hipe_icode_ssa:remove_dead_code(Tmp),
 		   "Icode SSA dead code elimination pass 1", Options);