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-rw-r--r--gcc/testsuite/gcc.dg/readonly-loc.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/readonly-loc.c b/gcc/testsuite/gcc.dg/readonly-loc.c
new file mode 100644
index 000000000..c5d1c97d8
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/readonly-loc.c
@@ -0,0 +1,11 @@
+/* { dg-do compile } */
+/* { dg-options "-O" } */
+int func()
+{
+ const int *arr;
+ const int arr2[5];
+ arr[0] = 1; /* { dg-error "assignment of read-only location" "*(arr)" } */
+ arr[1] = 1; /* { dg-error "assignment of read-only location" "*(arr + 4u)" } */
+ arr2[0] = 1; /* { dg-error "assignment of read-only location" "arr2\[0\]" } */
+ arr2[1] = 1; /* { dg-error "assignment of read-only location" "arr2\[1\]" } */
+}