1 files changed, 19 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/pr98455.c b/gcc/testsuite/gcc.dg/tree-ssa/pr98455.c
new file mode 100644
index 0000000..24e249f
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/pr98455.c
@@ -0,0 +1,19 @@
+/* PR tree-optimization/98455 */
+/* { dg-do compile } */
+/* { dg-options "-O1 -fno-tree-dce --param case-values-threshold=1" } */
+
+void
+n4 (int io, int vb)
+{
+  double uc[2] = { 1.0, 2.0, };
+
+  if (io == 0)
+    uc[0] = 0.0;
+
+  for (;;)
+    if (io == 0)
+      if (vb == 0)
+        uc[0] = uc[1];
+      else if (vb == 1)
+        uc[1] = 0.0;
+}