PR middle-end/85602 - -Warray-bounds fails to detect the out of bound array access

gcc/testsuite/ChangeLog:
 	* c-c++-common/attr-nonstring-8.c: Adjust text of expected warning
 	to also match C++.

From-SVN: r261774

gcc/testsuite/ChangeLog

 2018-06-19  Martin Sebor  <msebor@redhat.com>
 
+	PR tree-optimization/48560
+	* gcc.dg/Warray-bounds-28.c: New test.
+
+2018-06-19  Martin Sebor  <msebor@redhat.com>
+
 	PR middle-end/85602
 	* c-c++-common/attr-nonstring-8.c: Adjust text of expected warning
 	to also match C++.

gcc/testsuite/gcc.dg/Warray-bounds-28.c

+/* PR tree-optimization/48560 - -Warray-bounds fails to detect the out of
+   bound array access
+   { dg-do compile }
+   { dg-options "-O2 -Warray-bounds" } */
+
+char foo1 (int i)
+{
+  static char s[] = "foo";
+  switch (i)
+    {
+    case 30:
+      return s[30];   /* { dg-warning "array subscript 30 is above array bounds" } */
+    }
+  return s[i];
+}