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, 18 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.dg/pr46771.c b/gcc/testsuite/gcc.dg/pr46771.c
new file mode 100644
index 000000000..b44dfd466
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr46771.c
@@ -0,0 +1,18 @@
+/* PR debug/46771 */
+/* { dg-do compile } */
+/* { dg-options "-O -ftree-vectorize -fcompare-debug" } */
+
+unsigned char v[1600];
+
+unsigned char
+foo (unsigned char x)
+{
+  int i;
+  unsigned char a = x;
+  unsigned char b = x;
+  for (i = 0; i < 1600; i++)
+    a = a < v[i] ? v[i] : a;
+  for (i = 0; i < 1600; i++)
+    b = b > v[i] ? v[i] : b;
+  return a - b;
+}