Update from https://crrev.com/333737

third_party/android_crazy_linker/src/tests/foo_with_static_constructor.cpp

Index: third_party/android_crazy_linker/src/tests/foo_with_static_constructor.cpp
diff --git a/third_party/android_crazy_linker/src/tests/foo_with_static_constructor.cpp b/third_party/android_crazy_linker/src/tests/foo_with_static_constructor.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..0f43eaa11c0b0a3668e13ee5454cccbcbcb67e35
--- /dev/null
+++ b/third_party/android_crazy_linker/src/tests/foo_with_static_constructor.cpp
@@ -0,0 +1,48 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// This source file must contain a static destructor to check that
+// the crazy linker can resolve weak symbols from the C library,
+// like __aeabi_atexit(), which are not normally returned by
+// a call to dlsym().
+
+// Libc is not required to copy strings passed to putenv(). If it does
+// not then env pointers become invalid when rodata is unmapped on
+// library unload. To guard against this, putenv() strings are first
+// strdup()'ed. This is a mild memory leak.
+
+#include <stdlib.h>
+
+#ifdef __arm__
+extern "C" void __aeabi_atexit(void*);
+#endif
+
+class A {
+ public:
+  A() {
+    x_ = rand();
+    const char* env = getenv("TEST_VAR");
+    if (!env || strcmp(env, "INIT"))
+      putenv(strdup("TEST_VAR=LOAD_ERROR"));
+    else
+      putenv(strdup("TEST_VAR=LOADED"));
+  }
+
+  ~A() {
+    const char* env = getenv("TEST_VAR");
+    if (!env || strcmp(env, "LOADED"))
+      putenv(strdup("TEST_VAR=UNLOAD_ERROR"));
+    else
+      putenv(strdup("TEST_VAR=UNLOADED"));
+  }
+
+  int Get() const { return x_; }
+
+ private:
+  int x_;
+};
+
+A s_a;
+
+extern "C" int Foo() { return s_a.Get(); }