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-rw-r--r--_CoqProject1
-rw-r--r--src/Util/ChangeInAll.v7
2 files changed, 8 insertions, 0 deletions
diff --git a/_CoqProject b/_CoqProject
index 94bbdc0b7..0a833fdfb 100644
--- a/_CoqProject
+++ b/_CoqProject
@@ -247,6 +247,7 @@ src/Util/Bool.v
src/Util/BoundedWord.v
src/Util/CPSUtil.v
src/Util/CaseUtil.v
+src/Util/ChangeInAll.v
src/Util/Curry.v
src/Util/Decidable.v
src/Util/Equality.v
diff --git a/src/Util/ChangeInAll.v b/src/Util/ChangeInAll.v
new file mode 100644
index 000000000..39a031207
--- /dev/null
+++ b/src/Util/ChangeInAll.v
@@ -0,0 +1,7 @@
+(** Work around "Cannot create self-referring hypothesis" coming from
+ [change x with y in *] *)
+Ltac change_in_all from to :=
+ change from with to;
+ repeat match goal with
+ | [ H : _ |- _ ] => progress change from with to in H
+ end.