src/share/vm/utilities/debug.hpp

*** 223,232 ****
--- 223,248 ----
  void report_unimplemented(const char* file, int line);
  void report_untested(const char* file, int line, const char* message);
  
  void warning(const char* format, ...);
  
+ #ifdef ASSERT
+ // Compile-time asserts.
+ template <bool> struct StaticAssert;
+ template <> struct StaticAssert<true> {};
+ 
+ // Only StaticAssert<true> is defined, so if cond evaluates to false we get
+ // a compile time exception when trying to use StaticAssert<false>.
+ #define STATIC_ASSERT(cond)                   \
+   do {                                        \
+     StaticAssert<(cond)> DUMMY_STATIC_ASSERT; \
+     (void)DUMMY_STATIC_ASSERT; /* ignore */   \
+   } while (false)
+ #else
+ #define STATIC_ASSERT(cond)
+ #endif
+ 
  // out of shared space reporting
  enum SharedSpaceType {
    SharedPermGen,
    SharedReadOnly,
    SharedReadWrite,