Remove dependency from platform/globals.h to platform/assert.h

runtime/platform/globals.h

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef PLATFORM_GLOBALS_H_
 #define PLATFORM_GLOBALS_H_
 
 // __STDC_FORMAT_MACROS has to be defined to enable platform independent printf.
 #ifndef __STDC_FORMAT_MACROS
 #define __STDC_FORMAT_MACROS
@@ skipping 22 matching lines @@
 #include <float.h>
 #include <limits.h>
 #include <math.h>
 #include <openssl/bn.h>
 #include <stdarg.h>
 #include <stddef.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <sys/types.h>
+#include <cstdlib>
+#include <sstream>
 
 #if defined(_WIN32)
 #include "platform/c99_support_win.h"
 #include "platform/inttypes_support_win.h"
 #endif
 
-
 // Target OS detection.
 // for more information on predefined macros:
 //   - http://msdn.microsoft.com/en-us/library/b0084kay.aspx
 //   - with gcc, run: "echo | gcc -E -dM -"
 #if defined(__linux__) || defined(__FreeBSD__)
 #define TARGET_OS_LINUX 1
 #elif defined(__APPLE__)
 #define TARGET_OS_MACOS 1
 #elif defined(_WIN32)
 #define TARGET_OS_WINDOWS 1
@@ skipping 125 matching lines @@
 // used in the private: declarations for a class that wants to prevent
 // anyone from instantiating it. This is especially useful for classes
 // containing only static methods.
 #define DISALLOW_IMPLICIT_CONSTRUCTORS(TypeName)                               \
 private:                                                                       \
   TypeName();                                                                  \
   DISALLOW_COPY_AND_ASSIGN(TypeName)
 
 
 // Macro to disallow allocation in the C++ heap. This should be used
-// in the private section for a class.
+// in the private section for a class. Don't use UNREACHABLE here to
+// avoid circular dependencies between platform/globals.h and
+// platform/assert.h.
 #define DISALLOW_ALLOCATION()                                                  \
 public:                                                                        \
-  void operator delete(void* pointer) { UNREACHABLE(); }                       \
+  void operator delete(void* pointer) {                                        \
+    fprintf(stderr, "unreachable code\n");                                     \
+    std::abort();                                                              \
+  }                                                                            \
 private:                                                                       \
   void* operator new(size_t size);
 
 
 // The USE(x) template is used to silence C++ compiler warnings issued
 // for unused variables.
 template <typename T>
 static inline void USE(T) { }
 
 
@@ skipping 116 matching lines @@
 // separate lines with body in {}s).
 # define TEMP_FAILURE_RETRY(expression)                                        \
     ({ int64_t __result;                                                       \
        do {                                                                    \
          __result = (int64_t) (expression);                                    \
        } while (__result == -1L && errno == EINTR);                            \
        __result; })
 #endif
 
 #endif  // PLATFORM_GLOBALS_H_