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authorMaxime Dénès2019-07-26 10:00:39 +0200
committerMaxime Dénès2019-07-26 10:00:39 +0200
commit9b7b34702f1134841f7f9408db27074b5479e07d (patch)
tree4ac3f6473bfe707194c56491bbbb7c7d582eed57
parent3823ace92d92b2f5ee697ff156fe72d55217a921 (diff)
parent72029c8b00126f92c8f8e8d73e6c27b0b0a8b685 (diff)
Merge PR #10568: Mark primitive integers as able to participate in reductions (fixes #10560).
Reviewed-by: maximedenes Reviewed-by: ppedrot
-rw-r--r--kernel/cClosure.ml2
-rw-r--r--test-suite/bugs/closed/bug_10560.v9
2 files changed, 10 insertions, 1 deletions
diff --git a/kernel/cClosure.ml b/kernel/cClosure.ml
index 1cc3dc3975..3fd613e905 100644
--- a/kernel/cClosure.ml
+++ b/kernel/cClosure.ml
@@ -1075,7 +1075,7 @@ module FNativeEntries =
let mkInt env i =
check_int env;
- { mark = mark Norm KnownR; term = FInt i }
+ { mark = mark Cstr KnownR; term = FInt i }
let mkBool env b =
check_bool env;
diff --git a/test-suite/bugs/closed/bug_10560.v b/test-suite/bugs/closed/bug_10560.v
new file mode 100644
index 0000000000..a9a0949d9a
--- /dev/null
+++ b/test-suite/bugs/closed/bug_10560.v
@@ -0,0 +1,9 @@
+From Coq Require Import Int63.
+Open Scope int63_scope.
+
+Lemma foo :
+ let n := opp 0 in add n 0 = n.
+Proof.
+cbv.
+apply eq_refl.
+Qed.