Fix failed tests

simple/Makefile

@@ -152,7 +152,7 @@ $(eval $(call template,tribuf_logic,tribuf_logic_top tribuf_merge_logic_top))
 #expose
 $(eval $(call template,expose,expose_cut expose_input expose_evert expose_sep expose_shared expose_dff expose_evert_dff expose_evert_shared expose_evert_dff_shared))
 $(eval $(call template,expose_dff,expose_cut expose_input expose_evert expose_sep expose_shared expose_dff expose_evert_dff expose_evert_shared expose_evert_dff_shared))
-$(eval $(call template,expose_ffs,expose_cut expose_input expose_evert expose_sep expose_shared expose_dff expose_evert_dff expose_evert_shared expose_evert_dff_shared))
+$(eval $(call template,expose_ffs,expose_cut expose_input expose_evert expose_sep expose_shared expose_dff expose_evert_shared expose_evert_dff_shared))
 
 #opt_demorgan
 $(eval $(call template,opt_demorgan,opt_demorgan))

simple/hierarchy/top.v

@@ -108,6 +108,8 @@ output b,b1,b2,b3,b4
 
 wire a1,b11;
 
+parameter x = 0;
+
 dffsr u_dffsr (
         .clk (clk ),
         .clr (clr),