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-rw-r--r--tests/conformance/3-expressions/compound_assign_evaluates_once.zc11
1 files changed, 11 insertions, 0 deletions
diff --git a/tests/conformance/3-expressions/compound_assign_evaluates_once.zc b/tests/conformance/3-expressions/compound_assign_evaluates_once.zc
new file mode 100644
index 0000000..db8ebc5
--- /dev/null
+++ b/tests/conformance/3-expressions/compound_assign_evaluates_once.zc
@@ -0,0 +1,11 @@
+// expect: 1/15/
+include rt;
+void pn(int x) { rt.put_n(x); rt.put_c(10); }
+fn main() {
+ int i = 0;
+ int[3] a = {10, 20, 30};
+ a[i++] += 5;
+ pn(i); pn(a[0]);
+ return 0;
+}
+// zc0: skip