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-rw-r--r--tests/conformance/1-source/lit_int_max.zc5
1 files changed, 5 insertions, 0 deletions
diff --git a/tests/conformance/1-source/lit_int_max.zc b/tests/conformance/1-source/lit_int_max.zc
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--- /dev/null
+++ b/tests/conformance/1-source/lit_int_max.zc
@@ -0,0 +1,5 @@
+// expect: 9223372036854775807/-9223372036854775808/-1/
+// spec 1.4.1: wraps modulo 2^64
+include rt;
+void pn(int x) { rt.put_n(x); rt.put_c(10); }
+fn main() { pn(9223372036854775807); pn(9223372036854775808); pn(18446744073709551615); return 0; }