Initial checkin of GCC 4.9.0 from trunk (r208799).

Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba

1 files changed, 57 insertions, 0 deletions

diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/pr59605.c b/gcc-4.9/gcc/testsuite/gcc.dg/pr59605.c
new file mode 100644
index 000000000..5f87c99b0
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/pr59605.c
@@ -0,0 +1,57 @@
+/* { dg-do compile } */
+/* { dg-options "-O2" } */
+/* { dg-additional-options "-minline-stringops-dynamically" { target { i?86-*-* x86_64-*-* } } } */
+
+extern void abort (void);
+
+#define MAX_OFFSET (sizeof (long long))
+#ifndef MAX_COPY
+#define MAX_COPY (1024 + 8192)
+#endif
+#define MAX_EXTRA (sizeof (long long))
+
+#define MAX_LENGTH (MAX_OFFSET + MAX_COPY + MAX_EXTRA)
+
+static union {
+  char buf[MAX_LENGTH];
+  long long align_int;
+  long double align_fp;
+} u;
+
+char A[MAX_LENGTH];
+
+int
+main ()
+{
+  int off, len, i;
+  char *p, *q;
+
+  for (i = 0; i < MAX_LENGTH; i++)
+    A[i] = 'A';
+
+  for (off = 0; off < MAX_OFFSET; off++)
+    for (len = 1; len < MAX_COPY; len++)
+      {
+	for (i = 0; i < MAX_LENGTH; i++)
+	  u.buf[i] = 'a';
+
+	p = __builtin_memcpy (u.buf + off, A, len);
+	if (p != u.buf + off)
+	  abort ();
+
+	q = u.buf;
+	for (i = 0; i < off; i++, q++)
+	  if (*q != 'a')
+	    abort ();
+
+	for (i = 0; i < len; i++, q++)
+	  if (*q != 'A')
+	    abort ();
+
+	for (i = 0; i < MAX_EXTRA; i++, q++)
+	  if (*q != 'a')
+	    abort ();
+      }
+
+  return 0;
+}