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

third_party/icu/source/i18n/ucal.cpp

Index: third_party/icu/source/i18n/ucal.cpp
===================================================================
--- third_party/icu/source/i18n/ucal.cpp	(revision 74230)
+++ third_party/icu/source/i18n/ucal.cpp	(working copy)
@@ -5,7 +5,6 @@
 *******************************************************************************
 */
 
-#include <typeinfo>  // for 'typeid' to work
 
 #include "unicode/utypes.h"
 
@@ -85,7 +84,7 @@
     int32_t result = 0;
     TimeZone* zone = _createTimeZone(zoneID, -1, ec);
     if (U_SUCCESS(*ec)) {
-        SimpleTimeZone* stz = dynamic_cast<SimpleTimeZone*>(zone);
+        SimpleTimeZone* stz = CR_DYNAMIC_CAST<SimpleTimeZone*>(zone);
         if (stz != NULL) {
             result = stz->getDSTSavings();
         } else {
@@ -247,11 +246,12 @@
         return;
     }
     Calendar *cpp_cal = (Calendar *)cal;
-    GregorianCalendar *gregocal = dynamic_cast<GregorianCalendar *>(cpp_cal);
+    GregorianCalendar *gregocal = CR_DYNAMIC_CAST<GregorianCalendar *>(cpp_cal);
     // Not if(gregocal == NULL) {
     // because we really want to work only with a GregorianCalendar, not with
     // its subclasses like BuddhistCalendar.
-    if(typeid(*cpp_cal) != typeid(GregorianCalendar)) {
+    // Blindly replacing typeid with CR_TYPEID does not work here.
+    if(CR_TYPEID(*cpp_cal) != GregorianCalendar::getStaticClassID()) {
         *pErrorCode = U_UNSUPPORTED_ERROR;
         return;
     }
@@ -264,10 +264,11 @@
         return (UDate)0;
     }
     const Calendar *cpp_cal = (const Calendar *)cal;
-    const GregorianCalendar *gregocal = dynamic_cast<const GregorianCalendar *>(cpp_cal);
+    const GregorianCalendar *gregocal = CR_DYNAMIC_CAST<const GregorianCalendar *>(cpp_cal);
     // Not if(gregocal == NULL) {
     // see comments in ucal_setGregorianChange().
-    if(typeid(*cpp_cal) != typeid(GregorianCalendar)) {
+    // Blindly replacing typeid with CR_TYPEID does not work here.
+    if(CR_TYPEID(*cpp_cal) != GregorianCalendar::getStaticClassID()) {
         *pErrorCode = U_UNSUPPORTED_ERROR;
         return (UDate)0;
     }