aboutsummaryrefslogtreecommitdiffstats
path: root/gcc-4.9/gcc/testsuite/gcc.dg/vla-16.c
diff options
context:
space:
mode:
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/vla-16.c')
-rw-r--r--gcc-4.9/gcc/testsuite/gcc.dg/vla-16.c70
1 files changed, 70 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/vla-16.c b/gcc-4.9/gcc/testsuite/gcc.dg/vla-16.c
new file mode 100644
index 000000000..05e751af7
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/vla-16.c
@@ -0,0 +1,70 @@
+/* Test for modifying and taking addresses of compound literals whose
+ variably modified types involve typeof. */
+/* Origin: Joseph Myers <joseph@codesourcery.com> */
+/* { dg-do run } */
+/* { dg-options "-std=gnu99" } */
+
+#include <stdarg.h>
+
+extern void exit (int);
+extern void abort (void);
+
+int a[1];
+
+void
+f1 (void)
+{
+ int i = 0;
+ int (**p)[1] = &(typeof (++i, (int (*)[i])a)){&a};
+ if (*p != &a)
+ abort ();
+ if (i != 1)
+ abort ();
+}
+
+void
+f2 (void)
+{
+ int i = 0;
+ (typeof (++i, (int (*)[i])a)){&a} = 0;
+ if (i != 1)
+ abort ();
+}
+
+void
+f3 (void)
+{
+ int i = 0;
+ (typeof (++i, (int (*)[i])a)){&a} += 1;
+ if (i != 1)
+ abort ();
+}
+
+void
+f4 (void)
+{
+ int i = 0;
+ --(typeof (++i, (int (*)[i])a)){&a + 1};
+ if (i != 1)
+ abort ();
+}
+
+void
+f5 (void)
+{
+ int i = 0;
+ (typeof (++i, (int (*)[i])a)){&a}++;
+ if (i != 1)
+ abort ();
+}
+
+int
+main (void)
+{
+ f1 ();
+ f2 ();
+ f3 ();
+ f4 ();
+ f5 ();
+ exit (0);
+}