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, 38 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.c-torture/execute/pr49419.c b/gcc/testsuite/gcc.c-torture/execute/pr49419.c
new file mode 100644
index 000000000..fddc16462
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/pr49419.c
@@ -0,0 +1,38 @@
+/* PR tree-optimization/49419 */
+
+extern void abort (void);
+
+struct S { int w, x, y; } *t;
+
+int
+foo (int n, int f, int *s, int m)
+{
+  int x, i, a;
+  if (n == -1)
+    return 0;
+  for (x = n, i = 0; t[x].w == f && i < m; i++)
+    x = t[x].x;
+  if (i == m)
+    abort ();
+  a = i + 1;
+  for (x = n; i > 0; i--)
+    {
+      s[i] = t[x].y;
+      x = t[x].x;
+    }
+  s[0] = x;
+  return a;
+}
+
+int
+main (void)
+{
+  int s[3], i;
+  struct S buf[3] = { { 1, 1, 2 }, { 0, 0, 0 }, { 0, 0, 0 } };
+  t = buf;
+  if (foo (0, 1, s, 3) != 2)
+    abort ();
+  if (s[0] != 1 || s[1] != 2)
+    abort ();
+  return 0;
+}