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

third_party/icu/source/i18n/smpdtfmt.cpp

Index: third_party/icu/source/i18n/smpdtfmt.cpp
===================================================================
--- third_party/icu/source/i18n/smpdtfmt.cpp	(revision 74230)
+++ third_party/icu/source/i18n/smpdtfmt.cpp	(working copy)
@@ -685,7 +685,7 @@
         // show the decimal point, and recognizes integers only when parsing
 
         fNumberFormat->setGroupingUsed(FALSE);
-        DecimalFormat* decfmt = dynamic_cast<DecimalFormat*>(fNumberFormat);
+        DecimalFormat* decfmt = CR_DYNAMIC_CAST<DecimalFormat*>(fNumberFormat);
         if (decfmt != NULL) {
             decfmt->setDecimalSeparatorAlwaysShown(FALSE);
         }
@@ -1365,7 +1365,7 @@
 
                if (U_SUCCESS(status)) {
                    nf->setGroupingUsed(FALSE);
-                   DecimalFormat* decfmt = dynamic_cast<DecimalFormat*>(nf);
+                   DecimalFormat* decfmt = CR_DYNAMIC_CAST<DecimalFormat*>(nf);
                    if (decfmt != NULL) {
                        decfmt->setDecimalSeparatorAlwaysShown(FALSE);
                    }
@@ -2047,10 +2047,10 @@
             const TimeZone & tz = cal.getTimeZone();
             BasicTimeZone *btz = NULL;
 
-            if (dynamic_cast<const OlsonTimeZone *>(&tz) != NULL
-                || dynamic_cast<const SimpleTimeZone *>(&tz) != NULL
-                || dynamic_cast<const RuleBasedTimeZone *>(&tz) != NULL
-                || dynamic_cast<const VTimeZone *>(&tz) != NULL) {
+            if (CR_DYNAMIC_CAST<const OlsonTimeZone *>(&tz) != NULL
+                || CR_DYNAMIC_CAST<const SimpleTimeZone *>(&tz) != NULL
+                || CR_DYNAMIC_CAST<const RuleBasedTimeZone *>(&tz) != NULL
+                || CR_DYNAMIC_CAST<const VTimeZone *>(&tz) != NULL) {
                 btz = (BasicTimeZone*)&tz;
             }
 
@@ -2933,7 +2933,7 @@
                                 NumberFormat *fmt) const {
     UnicodeString oldPrefix;
     DecimalFormat* df = NULL;
-    if (!allowNegative && (df = dynamic_cast<DecimalFormat*>(fmt)) != NULL) {
+    if (!allowNegative && (df = CR_DYNAMIC_CAST<DecimalFormat*>(fmt)) != NULL) {
         df->getNegativePrefix(oldPrefix);
         df->setNegativePrefix(SUPPRESS_NEGATIVE_PREFIX);
     }
@@ -3162,7 +3162,7 @@
     }
 
     // get the suffix
-    DecimalFormat* decfmt = dynamic_cast<DecimalFormat*>(fNumberFormat);
+    DecimalFormat* decfmt = CR_DYNAMIC_CAST<DecimalFormat*>(fNumberFormat);
     if (decfmt != NULL) {
         if (isNegative) {
             suf = decfmt->getNegativeSuffix(suf);