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-rw-r--r--lib/syntax_tools/src/erl_syntax.erl10
1 files changed, 7 insertions, 3 deletions
diff --git a/lib/syntax_tools/src/erl_syntax.erl b/lib/syntax_tools/src/erl_syntax.erl
index eaaafa2c67..67a2b4daa3 100644
--- a/lib/syntax_tools/src/erl_syntax.erl
+++ b/lib/syntax_tools/src/erl_syntax.erl
@@ -6491,9 +6491,13 @@ is_literal(T) ->
revert(Node) ->
case is_tree(Node) of
false ->
- %% Just remove any wrapper. `erl_parse' nodes never contain
- %% abstract syntax tree nodes as subtrees.
- unwrap(Node);
+ %% Just remove any wrapper and copy the position. `erl_parse'
+ %% nodes never contain abstract syntax tree nodes as subtrees.
+ case unwrap(Node) of
+ {error, Info} -> {error, setelement(1,Info,get_pos(Node))};
+ {warning, Info} -> {warning, setelement(1,Info,get_pos(Node))};
+ Node1 -> setelement(2,Node1,get_pos(Node))
+ end;
true ->
case is_leaf(Node) of
true ->