Merge regexp2000 back into bleeding_edge

src/checks.h

Index: src/checks.h
===================================================================
--- src/checks.h	(revision 830)
+++ src/checks.h	(working copy)
@@ -237,12 +237,14 @@
 // The ASSERT macro is equivalent to CHECK except that it only
 // generates code in debug builds.  Ditto STATIC_ASSERT.
 #ifdef DEBUG
+#define ASSERT_RESULT(expr)  CHECK(expr)
 #define ASSERT(condition)    CHECK(condition)
 #define ASSERT_EQ(v1, v2)    CHECK_EQ(v1, v2)
 #define ASSERT_NE(v1, v2)   CHECK_NE(v1, v2)
 #define STATIC_ASSERT(test)  STATIC_CHECK(test)
 #define SLOW_ASSERT(condition) if (FLAG_enable_slow_asserts) CHECK(condition)
 #else
+#define ASSERT_RESULT(expr)     (expr)
 #define ASSERT(condition)      ((void) 0)
 #define ASSERT_EQ(v1, v2)      ((void) 0)
 #define ASSERT_NE(v1, v2)     ((void) 0)
@@ -256,4 +258,6 @@
 
 #define ASSERT_SIZE_TAG_ALIGNED(size) ASSERT((size & kHeapObjectTagMask) == 0)
 
+#define ASSERT_NOT_NULL(p)  ASSERT_NE(NULL, p)
+
 #endif  // V8_CHECKS_H_