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-rw-r--r--interp/constrintern.ml5
-rw-r--r--test-suite/output/UnboundRef.out3
-rw-r--r--test-suite/output/UnboundRef.v2
3 files changed, 8 insertions, 2 deletions
diff --git a/interp/constrintern.ml b/interp/constrintern.ml
index 0eb915561e..b86ad7175a 100644
--- a/interp/constrintern.ml
+++ b/interp/constrintern.ml
@@ -2409,8 +2409,9 @@ let internalize globalenv env pattern_mode (_, ntnvars as lvar) c =
and intern_args env subscopes = function
| [] -> []
| a::args ->
- let (enva,subscopes) = apply_scope_env env subscopes in
- (intern_no_implicit enva a) :: (intern_args env subscopes args)
+ let (enva,subscopes) = apply_scope_env env subscopes in
+ let a = intern_no_implicit enva a in
+ a :: (intern_args env subscopes args)
in
intern env c
diff --git a/test-suite/output/UnboundRef.out b/test-suite/output/UnboundRef.out
new file mode 100644
index 0000000000..a574e97e0f
--- /dev/null
+++ b/test-suite/output/UnboundRef.out
@@ -0,0 +1,3 @@
+File "stdin", line 1, characters 11-12:
+Error: The reference a was not found in the current environment.
+
diff --git a/test-suite/output/UnboundRef.v b/test-suite/output/UnboundRef.v
new file mode 100644
index 0000000000..fd08ae0c5c
--- /dev/null
+++ b/test-suite/output/UnboundRef.v
@@ -0,0 +1,2 @@
+Check Prop a b.
+(* Prop is because we need a real head for the application *)