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authorHugo Herbelin2018-08-21 15:26:57 +0200
committerHugo Herbelin2018-09-02 13:23:27 +0200
commit0e7ff6359c144c5ab4d7e16334c8ddc0d3078125 (patch)
treef1e0ff6d53462dbb33b6ad40f314b728038419d1
parenta62ab4903d61b9a3c2e8725ee0e6354c0a073348 (diff)
Fixing #7867 (class error message tries to print a "fun" with no binder).
-rw-r--r--parsing/g_constr.mlg2
-rw-r--r--test-suite/bugs/closed/7867.v4
2 files changed, 5 insertions, 1 deletions
diff --git a/parsing/g_constr.mlg b/parsing/g_constr.mlg
index 49e1cd7ec9..7cb5af787b 100644
--- a/parsing/g_constr.mlg
+++ b/parsing/g_constr.mlg
@@ -249,7 +249,7 @@ GRAMMAR EXTEND Gram
record_field_declaration:
[ [ id = global; bl = binders; ":="; c = lconstr ->
- { (id, mkCLambdaN ~loc bl c) } ] ]
+ { (id, if bl = [] then c else mkCLambdaN ~loc bl c) } ] ]
;
binder_constr:
[ [ "forall"; bl = open_binders; ","; c = operconstr LEVEL "200" ->
diff --git a/test-suite/bugs/closed/7867.v b/test-suite/bugs/closed/7867.v
new file mode 100644
index 0000000000..d0c7902756
--- /dev/null
+++ b/test-suite/bugs/closed/7867.v
@@ -0,0 +1,4 @@
+(* Was a printer anomaly due to an internal lambda with no binders *)
+
+Class class := { foo : nat }.
+Fail Instance : class := { foo := 0 ; bar := 0 }.