1 files changed, 18 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/pr105276.C b/gcc/testsuite/g++.dg/pr105276.C
new file mode 100644
index 00000000000..ad0e9dd7e09
--- /dev/null
+++ b/gcc/testsuite/g++.dg/pr105276.C
@@ -0,0 +1,18 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-tree-optimized" } */
+
+bool
+foo(unsigned i)
+{
+  bool result = true;
+  while (i)
+    {
+      i = i % 3;
+      i = i - (i == 2 ? 2 : i ? 1 : 0);
+      result = !result;
+    }
+  return result;
+}
+
+/* We should be able to eliminate the i - operation.  */
+/* { dg-final { scan-tree-dump-not "i_.* - " "optimized" } } */