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-rw-r--r--testsuite/tests/typing-misc/occur_check.ml5
1 files changed, 5 insertions, 0 deletions
diff --git a/testsuite/tests/typing-misc/occur_check.ml b/testsuite/tests/typing-misc/occur_check.ml
new file mode 100644
index 0000000000..5509b6f5ff
--- /dev/null
+++ b/testsuite/tests/typing-misc/occur_check.ml
@@ -0,0 +1,5 @@
+(* PR#5907 *)
+
+type 'a t = 'a;;
+let f (g : 'a list -> 'a t -> 'a) s = g s s;;
+let f (g : 'a * 'b -> 'a t -> 'a) s = g s s;;