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authorMaxime Dénès2018-11-17 19:57:42 +0100
committerMaxime Dénès2018-11-17 19:57:42 +0100
commit8e79fa301c285e4016997eff0e90ce5d9df46ad9 (patch)
tree884db5871057e0a7f1a21b7a9c8ce820991ac7f4 /kernel/safe_typing.ml
parent35e4602164a10262ace560c5bf41cf040cfcf0f0 (diff)
parentb7203d14aad300c0ef02f66516ce0595182c81cd (diff)
Merge PR #8712: [stm] avoid unshare safe env to detect correctly env changing tactics
Diffstat (limited to 'kernel/safe_typing.ml')
-rw-r--r--kernel/safe_typing.ml4
1 files changed, 3 insertions, 1 deletions
diff --git a/kernel/safe_typing.ml b/kernel/safe_typing.ml
index df10398b2f..2464df799e 100644
--- a/kernel/safe_typing.ml
+++ b/kernel/safe_typing.ml
@@ -192,7 +192,9 @@ let set_engagement c senv =
engagement = Some c }
let set_typing_flags c senv =
- { senv with env = Environ.set_typing_flags c senv.env }
+ let env = Environ.set_typing_flags c senv.env in
+ if env == senv.env then senv
+ else { senv with env }
let set_share_reduction b senv =
let flags = Environ.typing_flags senv.env in