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, 33 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.dg/tree-ssa/pr23115.c b/gcc/testsuite/gcc.dg/tree-ssa/pr23115.c
new file mode 100644
index 000000000..61408e47a
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/pr23115.c
@@ -0,0 +1,33 @@
+/* { dg-do run } */
+/* { dg-options "-O2 -ftree-vectorize" } */
+
+extern void abort (void);
+
+#define MIN2(a,b) (((a)<(b)) ? (a) : (b))
+#define MAX2(a,b) (((a)>(b)) ? (a) : (b))
+
+double p[2] = { 4., 5. };
+
+int main()
+{
+  long j;
+  double R, n, x;
+#if __SIZEOF_DOUBLE__ >= 8
+  n = 1.e300;
+  x = -1.e300;
+#else
+  n = 1.e30;
+  x = -1.e30;
+#endif
+  for( j=0; j < 2; j++ )
+    {
+      x = MAX2(x,p[j]);
+      n = MIN2(n,p[j]);
+    }
+  R = x-n;
+
+  if( R < 0.1 )
+      abort ();
+
+  return 0;
+}