Periodic merge of bleeding_edge to experimental code generator branch....

src/flag-definitions.h

Index: src/flag-definitions.h
===================================================================
--- src/flag-definitions.h	(revision 868)
+++ src/flag-definitions.h	(working copy)
@@ -199,6 +199,13 @@
 DEFINE_bool(preemption, false,
             "activate a 100ms timer that switches between V8 threads")
 
+// irregexp
+DEFINE_bool(irregexp, false, "new regular expression code")
+DEFINE_bool(trace_regexps, false, "trace Irregexp execution")
+DEFINE_bool(irregexp_native, false, "use native code Irregexp implementation (IA32 only)")
+DEFINE_bool(disable_jscre, false, "abort if JSCRE is used.  Only useful with --irregexp")
+DEFINE_bool(attempt_multiline_irregexp, false, "attempt to use Irregexp for multiline regexps")
+
 // Testing flags test/cctest/test-{flags,api,serialization}.cc
 DEFINE_bool(testing_bool_flag, true, "testing_bool_flag")
 DEFINE_int(testing_int_flag, 13, "testing_int_flag")
@@ -289,6 +296,11 @@
             "report heap spill statistics along with heap_stats "
             "(requires heap_stats)")
 
+// irregexp
+DEFINE_bool(trace_regexp_bytecodes, false, "trace Irregexp bytecode execution")
+DEFINE_bool(trace_regexp_assembler, false,
+            "trace Irregexp macro assembler calls.")
+
 //
 // Logging and profiling only flags
 //