1 files changed, 21 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/c99-array-lval-7.c b/gcc/testsuite/gcc.dg/c99-array-lval-7.c
new file mode 100644
index 000000000..3d70ed07b
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/c99-array-lval-7.c
@@ -0,0 +1,21 @@
+/* Test for non-lvalue arrays: test that C90 does not allow them in
+   conditional expressions, while in C99 they decay and are
+   allowed.  */
+
+/* Origin: Joseph Myers <jsm@polyomino.org.uk> */
+/* { dg-do compile } */
+/* { dg-options "-std=iso9899:1999 -pedantic-errors" } */
+
+struct s { char c[1]; };
+struct s a, b, c;
+int d;
+int e;
+
+void
+bar (void)
+{
+  /* In C90, the non-lvalue arrays do not decay to pointers, and
+     6.3.15 does not permit conditional expressions between arrays.
+     In C99, they decay to pointers.  */
+  (e ? (d ? b : c).c : (e ? b : c).c);
+}