1 files changed, 25 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/tree-ssa/pr34063.C b/gcc/testsuite/g++.dg/tree-ssa/pr34063.C
new file mode 100644
index 000000000..994920bb9
--- /dev/null
+++ b/gcc/testsuite/g++.dg/tree-ssa/pr34063.C
@@ -0,0 +1,25 @@
+// { PR tree-optimization/34063 }
+// { dg-do compile }
+// { dg-options "-O2" }
+
+struct S
+{
+  double e[9];
+
+  double const &
+  operator() (int r, int c) const
+  {
+    return e[r * 3 + c];
+  }
+};
+
+void
+foo()
+{
+  S r;
+  double *p;
+  for (int j = 0; j < 3; j++)
+    for (int k = 0; k < 3; k++)
+      for (int l = k + 1; l < 3; l++)
+        *p++ = r (k, 0) * r (l, j) + r (k, j) * r (l, 0);
+}