1 files changed, 46 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/execute/921204-1.c b/gcc/testsuite/gcc.c-torture/execute/921204-1.c
new file mode 100644
index 000000000..a7bba830a
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/921204-1.c
@@ -0,0 +1,46 @@
+/* The bit-field below would have a problem if __INT_MAX__ is too
+   small.  */
+#if __INT_MAX__ < 2147483647
+int
+main (void)
+{
+  exit (0);
+}
+#else
+typedef struct {
+  unsigned b0:1, f1:17, b18:1, b19:1, b20:1, f2:11;
+} bf;
+
+typedef union {
+  bf b;
+  unsigned w;
+} bu;
+
+bu
+f(bu i)
+{
+  bu o = i;
+
+  if (o.b.b0)
+    o.b.b18 = 1,
+    o.b.b20 = 1;
+  else
+    o.b.b18 = 0,
+    o.b.b20 = 0;
+
+  return o;
+}
+
+main()
+{
+  bu a;
+  bu r;
+
+  a.w = 0x4000000;
+  a.b.b0 = 0;
+  r = f(a);
+  if (a.w != r.w)
+    abort();
+  exit(0);
+}
+#endif