--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/g++.dg/tree-ssa/lifetime-dse1.C	Thu Oct 25 07:37:49 2018 +0900
@@ -0,0 +1,18 @@
+// PR c++/61982
+// { dg-additional-options "-O2 -fdump-tree-optimized -fdelete-null-pointer-checks" }
+// { dg-final { scan-tree-dump-not "= 0" "optimized" } }
+
+struct X { 
+  int i; 
+  void clear() { i = 0; }
+}; 
+
+void f(X* x) { 
+  x->clear(); 
+  x->~X(); 
+} 
+
+void g(X* x) {
+  x->clear();
+  delete x;
+}