1 files changed, 34 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/execute/931031-1.c b/gcc/testsuite/gcc.c-torture/execute/931031-1.c
new file mode 100644
index 000000000..e9ce33795
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/931031-1.c
@@ -0,0 +1,34 @@
+/* The bit-field below would have a problem if __INT_MAX__ is too
+   small.  */
+#if __INT_MAX__ < 2147483647
+int
+main (void)
+{
+  exit (0);
+}
+#else
+struct foo
+{
+  unsigned y:1;
+  unsigned x:32;
+};
+
+int
+f (x)
+     struct foo x;
+{
+  int t = x.x;
+  if (t < 0)
+    return 1;
+  return t+1;
+}
+
+main ()
+{
+  struct foo x;
+  x.x = -1;
+  if (f (x) == 0)
+    abort ();
+  exit (0);
+}
+#endif