1 files changed, 34 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/c99-scope-1.c b/gcc/testsuite/gcc.dg/c99-scope-1.c
new file mode 100644
index 00000000000..256b39c115a
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/c99-scope-1.c
@@ -0,0 +1,34 @@
+/* Test for new block scopes in C99.  Inspired by C99 Rationale (N897).  */
+/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
+/* { dg-do run { xfail *-*-* } } */
+/* { dg-options "-std=iso9899:1999 -pedantic-errors" } */
+
+struct foo {
+  char a;
+};
+
+extern void abort (void);
+extern void exit (int);
+
+int
+sfoo (void)
+{
+  if (sizeof (struct foo { int a; double b; char *c; void *d; }))
+    (void) 0;
+  return sizeof (struct foo);
+}
+
+int
+main (void)
+{
+  int t, u;
+  t = sfoo ();
+  u = sizeof (struct foo);
+  /* With C90 scoping rules the new declaration of struct foo is in scope
+     above; with C99 it is local to the if.
+  */
+  if (t == u)
+    exit (0); /* C99 rules apply.  */
+  else
+    abort (); /* C90 rules apply.  */
+}