New test.

From-SVN: r37078

gcc/testsuite/ChangeLog

+2000-10-26  Richard Henderson  <rth@redhat.com>
+
+	* gcc.c-torture/execute/20001026-1.c: New.
+
 2000-10-26  Mark Mitchell  <mark@codesourcery.com>
 
 	* g++.old-deja/g++.brendan/label2.C: Tweak to work with V3.

gcc/testsuite/gcc.c-torture/execute/20001026-1.c

+extern void abort (void);
+
+typedef struct {
+  long r[(19 + sizeof (long))/(sizeof (long))];
+} realvaluetype;
+
+typedef void *tree;
+
+static realvaluetype
+real_value_from_int_cst (tree x, tree y)
+{
+  realvaluetype r;
+  int i;
+  for (i = 0; i < sizeof(r.r)/sizeof(long); ++i)
+    r.r[i] = -1;
+  return r;
+}
+
+struct brfic_args
+{
+  tree type;
+  tree i;
+  realvaluetype d;
+};
+
+static void
+build_real_from_int_cst_1 (data)
+     void * data;
+{
+  struct brfic_args *args = (struct brfic_args *) data;
+  args->d = real_value_from_int_cst (args->type, args->i);
+}
+
+int main()
+{
+  struct brfic_args args;
+
+  __builtin_memset (&args, 0, sizeof(args));
+  build_real_from_int_cst_1 (&args);
+
+  if (args.d.r[0] == 0)
+    abort ();
+  return 0;
+}