1 files changed, 21 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/compile/pr21638.c b/gcc/testsuite/gcc.c-torture/compile/pr21638.c
new file mode 100644
index 000000000..36fd0104a
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/compile/pr21638.c
@@ -0,0 +1,21 @@
+typedef struct hashhdr {
+ int bitmaps[32];
+} HASHHDR;
+
+static void
+swap_header_copy(HASHHDR *srcp, HASHHDR *destp)
+{
+  int i;
+  for (i = 0; i < 32; i++)
+    ((char *)&(destp->bitmaps[i]))[0] = ((char *)&(srcp->bitmaps[i]))[1];
+}
+
+int
+flush_meta(HASHHDR *whdrp1)
+{
+ HASHHDR *whdrp;
+ HASHHDR whdr;
+ whdrp = &whdr;
+ swap_header_copy(whdrp1, whdrp);
+ return (0);
+}