Get ICU 4.6 to be compiled without RTTI....

third_party/icu/source/i18n/rbnf.cpp

Index: third_party/icu/source/i18n/rbnf.cpp
===================================================================
--- third_party/icu/source/i18n/rbnf.cpp	(revision 74230)
+++ third_party/icu/source/i18n/rbnf.cpp	(working copy)
@@ -5,7 +5,6 @@
 *******************************************************************************
 */
 
-#include <typeinfo>  // for 'typeid' to work
 
 #include "unicode/rbnf.h"
 
@@ -874,7 +873,7 @@
         return TRUE;
     }
 
-    if (typeid(*this) == typeid(other)) {
+    if (CR_TYPEID(*this) == CR_TYPEID(other)) {
         const RuleBasedNumberFormat& rhs = (const RuleBasedNumberFormat&)other;
         if (locale == rhs.locale &&
             lenient == rhs.lenient &&
@@ -1553,7 +1552,7 @@
 
         Collator* temp = Collator::createInstance(locale, status);
         RuleBasedCollator* newCollator;
-        if (U_SUCCESS(status) && (newCollator = dynamic_cast<RuleBasedCollator*>(temp)) != NULL) {
+        if (U_SUCCESS(status) && (newCollator = CR_DYNAMIC_CAST<RuleBasedCollator*>(temp)) != NULL) {
             if (lenientParseRules) {
                 UnicodeString rules(newCollator->getRules());
                 rules.append(*lenientParseRules);