--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/clang/test/Analysis/this-pointer.cpp	Thu Feb 13 15:10:13 2020 +0900
@@ -0,0 +1,88 @@
+// RUN: %clang_analyze_cc1 -analyzer-checker=core,debug.ExprInspection -analyzer-config widen-loops=true -analyzer-disable-retry-exhausted -verify %s
+
+void clang_analyzer_eval(bool);
+void clang_analyzer_dump(int);
+
+// 'this' pointer is not an lvalue, we should not invalidate it.
+namespace this_pointer_after_loop_widen {
+class A {
+public:
+  A() {
+    int count = 10;
+    do {
+    } while (count--);
+  }
+};
+
+void goo(A a);
+void test_temporary_object() {
+  goo(A()); // no-crash
+}
+
+struct B {
+  int mem;
+  B() : mem(0) {
+    for (int i = 0; i < 10; ++i) {
+    }
+    mem = 0;
+  }
+};
+
+void test_ctor() {
+  B b;
+  clang_analyzer_eval(b.mem == 0); // expected-warning{{TRUE}}
+}
+
+struct C {
+  int mem;
+  C() : mem(0) {}
+  void set() {
+    for (int i = 0; i < 10; ++i) {
+    }
+    mem = 10;
+  }
+};
+
+void test_method() {
+  C c;
+  clang_analyzer_eval(c.mem == 0); // expected-warning{{TRUE}}
+  c.set();
+  clang_analyzer_eval(c.mem == 10); // expected-warning{{TRUE}}
+}
+
+struct D {
+  int mem;
+  D() : mem(0) {}
+  void set() {
+    for (int i = 0; i < 10; ++i) {
+    }
+    mem = 10;
+  }
+};
+
+void test_new() {
+  D *d = new D;
+  clang_analyzer_eval(d->mem == 0); // expected-warning{{TRUE}}
+  d->set();
+  clang_analyzer_eval(d->mem == 10); // expected-warning{{TRUE}}
+}
+
+struct E {
+  int mem;
+  E() : mem(0) {}
+  void set() {
+    for (int i = 0; i < 10; ++i) {
+    }
+    setAux();
+  }
+  void setAux() {
+    this->mem = 10;
+  }
+};
+
+void test_chained_method_call() {
+  E e;
+  e.set();
+  clang_analyzer_eval(e.mem == 10); // expected-warning{{TRUE}}
+}
+} // namespace this_pointer_after_loop_widen