obtained gcc-4.6.4.tar.bz2 from upstream website;upstream

verified gcc-4.6.4.tar.bz2.sig;
imported gcc-4.6.4 source tree from verified upstream tarball.

downloading a git-generated archive based on the 'upstream' tag
should provide you with a source tree that is binary identical
to the one extracted from the above tarball.

if you have obtained the source via the command 'git clone',
however, do note that line-endings of files in your working
directory might differ from line-endings of the respective
files in the upstream repository.

1 files changed, 42 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.dg/vect/pr49038.c b/gcc/testsuite/gcc.dg/vect/pr49038.c
new file mode 100644
index 000000000..91c214ffd
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/vect/pr49038.c
@@ -0,0 +1,42 @@
+#include <sys/mman.h>
+#include <stdio.h>
+
+#define COUNT 320
+#define MMAP_SIZE 0x10000
+#define ADDRESS 0x1122000000
+#define TYPE unsigned short
+
+#ifndef MAP_ANONYMOUS
+#define MAP_ANONYMOUS MAP_ANON
+#endif
+
+void __attribute__((noinline))
+foo (TYPE *__restrict a, TYPE *__restrict b)
+{
+  int n;
+
+  for (n = 0; n < COUNT; n++)
+    a[n] = b[n * 2];
+}
+
+int
+main (void)
+{
+  void *x;
+  size_t b_offset;
+
+  x = mmap ((void *) ADDRESS, MMAP_SIZE, PROT_READ | PROT_WRITE,
+	    MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
+  if (x == MAP_FAILED)
+    {
+      perror ("mmap");
+      return 1;
+    }
+
+  b_offset = MMAP_SIZE - (2 * COUNT - 1) * sizeof (TYPE);
+  foo ((unsigned short *) x,
+       (unsigned short *) ((char *) x + b_offset));
+  return 0;
+}
+
+/* { dg-final { cleanup-tree-dump "vect" } } */