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-rw-r--r--tests/system/tsystem_misc.nim6
1 files changed, 6 insertions, 0 deletions
diff --git a/tests/system/tsystem_misc.nim b/tests/system/tsystem_misc.nim
index c8e2b2a9d..1debb7c48 100644
--- a/tests/system/tsystem_misc.nim
+++ b/tests/system/tsystem_misc.nim
@@ -219,3 +219,9 @@ proc bug23223 = # bug #23223
   doAssert stuff == "hello"
 
 bug23223()
+
+block: # bug #23894
+  let v = high(uint) div 2
+  let s = v + 1 # 9223372036854775808
+  let m = succ v
+  doAssert s == m