1 files changed, 20 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/graphite/pr42326.c b/gcc/testsuite/gcc.dg/graphite/pr42326.c
new file mode 100644
index 000000000..de5d56ec9
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/graphite/pr42326.c
@@ -0,0 +1,20 @@
+/* { dg-options "-O1 -floop-parallelize-all" } */
+
+double lagrange(const double x[],
+                const double y[],
+                long n,
+                double xval)
+{
+  long i, j;
+  double yval = 0.;
+
+  for( i=0; i < n; i++ )
+    {
+      double l = 1.;
+      for( j=0; j < n; j++ )
+	if( i != j )
+	  l *= (xval-x[j])/(x[i]-x[j]);
+      yval += y[i]*l;
+    }
+  return yval;
+}