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-rw-r--r--testsuite/tests/numeric/should_run/T18509.hs6
-rw-r--r--testsuite/tests/numeric/should_run/T18509.stdout2
-rw-r--r--testsuite/tests/numeric/should_run/all.T1
3 files changed, 9 insertions, 0 deletions
diff --git a/testsuite/tests/numeric/should_run/T18509.hs b/testsuite/tests/numeric/should_run/T18509.hs
new file mode 100644
index 0000000000..fe4df42b14
--- /dev/null
+++ b/testsuite/tests/numeric/should_run/T18509.hs
@@ -0,0 +1,6 @@
+import Numeric.Natural
+
+main :: IO ()
+main = do
+ print $ (0xFFFFFFFF0 * 0xFFFFFFFF0 :: Natural)
+ print $ (2 :: Natural) ^ (190 :: Int)
diff --git a/testsuite/tests/numeric/should_run/T18509.stdout b/testsuite/tests/numeric/should_run/T18509.stdout
new file mode 100644
index 0000000000..4f0e5fd092
--- /dev/null
+++ b/testsuite/tests/numeric/should_run/T18509.stdout
@@ -0,0 +1,2 @@
+4722366480670621958400
+1569275433846670190958947355801916604025588861116008628224
diff --git a/testsuite/tests/numeric/should_run/all.T b/testsuite/tests/numeric/should_run/all.T
index faa4d7c992..f8d6ea3d4d 100644
--- a/testsuite/tests/numeric/should_run/all.T
+++ b/testsuite/tests/numeric/should_run/all.T
@@ -71,3 +71,4 @@ test('T497', normal, compile_and_run, ['-O'])
test('T17303', normal, compile_and_run, [''])
test('T18359', normal, compile_and_run, [''])
test('T18499', normal, compile_and_run, [''])
+test('T18509', normal, compile_and_run, [''])