diff --git a/gcc/testsuite/gcc.dg/pr108819.c b/gcc/testsuite/gcc.dg/pr108819.c
new file mode 100644
index 00000000000..28fa558b260
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr108819.c
@@ -0,0 +1,19 @@
+/* PR tree-optimization/108819 */
+/* { dg-do compile } */
+/* { dg-options "-O1 -fno-tree-ccp -fno-tree-forwprop" } */
+
+int a, b;
+
+int
+main ()
+{
+  int d = 1;
+  for (; b; b++)
+    if (a < 1)
+      while (d <= a && a <= 0UL)
+	{
+	  int *e = &d;
+	  *e = 0;
+	}
+  return 0;
+}
diff --git a/gcc/tree-ssa-reassoc.cc b/gcc/tree-ssa-reassoc.cc
index f163612f140..8fd22591f55 100644
--- a/gcc/tree-ssa-reassoc.cc
+++ b/gcc/tree-ssa-reassoc.cc
@@ -4687,6 +4687,9 @@ update_ops (tree var, enum tree_code code, const vec<operand_entry *> &ops,
       gimple_set_uid (g, gimple_uid (stmt));
       gimple_set_visited (g, true);
       gsi_insert_before (&gsi, g, GSI_SAME_STMT);
+      gimple_stmt_iterator gsi2 = gsi_for_stmt (g);
+      if (fold_stmt_inplace (&gsi2))
+	update_stmt (g);
     }
   return var;
 }