Version 2.2.6.

Add "amd64" as recognized architecture in scons build script (by Ryan Dahl <coldredlemur@gmail.com>).

Fix bug in String search and replace with very simple RegExps.

Fix bug in RegExp containing "\b^".

Performance improvements on all platforms.

git-svn-id: http://v8.googlecode.com/svn/trunk@4537 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
diff --git a/src/regexp-macro-assembler-tracer.cc b/src/regexp-macro-assembler-tracer.cc
index c5c2919..c08602e 100644
--- a/src/regexp-macro-assembler-tracer.cc
+++ b/src/regexp-macro-assembler-tracer.cc
@@ -37,8 +37,8 @@
     RegExpMacroAssembler* assembler) :
   assembler_(assembler) {
   unsigned int type = assembler->Implementation();
-  ASSERT(type < 3);
-  const char* impl_names[3] = {"IA32", "ARM", "Bytecode"};
+  ASSERT(type < 4);
+  const char* impl_names[4] = {"IA32", "ARM", "X64", "Bytecode"};
   PrintF("RegExpMacroAssembler%s();\n", impl_names[type]);
 }