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-rw-r--r--tests/conformance/8-runtime/pointer_index_n_traps.zc7
1 files changed, 7 insertions, 0 deletions
diff --git a/tests/conformance/8-runtime/pointer_index_n_traps.zc b/tests/conformance/8-runtime/pointer_index_n_traps.zc
new file mode 100644
index 0000000..ccb7e3a
--- /dev/null
+++ b/tests/conformance/8-runtime/pointer_index_n_traps.zc
@@ -0,0 +1,7 @@
+// expect error: zy: index 5 out of range (length 5)
+// spec 8.4: p[n] is outside even though the block has slack (5 words in a 16-word block, whose payload is 11)
+include rt;
+void pn(int x) { rt.put_n(x); rt.put_c(10); }
+int at(word* p, int i) { p[i] = 7; return p[i]; }
+fn main() { word* p = rt.new(5); pn(at(p, 5)); return 0; }
+// zc0: skip