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-rw-r--r--lib/compiler/src/beam_z.erl2
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/compiler/src/beam_z.erl b/lib/compiler/src/beam_z.erl
index 9953a48710..c204eac25d 100644
--- a/lib/compiler/src/beam_z.erl
+++ b/lib/compiler/src/beam_z.erl
@@ -78,6 +78,8 @@ undo_rename({put_map,Fail,assoc,S,D,R,L}) ->
{put_map_assoc,Fail,S,D,R,L};
undo_rename({put_map,Fail,exact,S,D,R,L}) ->
{put_map_exact,Fail,S,D,R,L};
+undo_rename({test,has_map_fields,Fail,[Src|List]}) ->
+ {test,has_map_fields,Fail,Src,{list,List}};
undo_rename({select,I,Reg,Fail,List}) ->
{I,Reg,Fail,{list,List}};
undo_rename(I) -> I.