--- qt-4/src/3rdparty/harfbuzz/src/harfbuzz-myanmar.c.bz#772125	2012-01-09 10:16:08.000000000 +0100
+++ qt-4/src/3rdparty/harfbuzz/src/harfbuzz-myanmar.c	2012-01-09 10:16:47.000000000 +0100
@@ -359,7 +359,8 @@
         if (kinzi >= 0 && i > base && (cc & Mymr_CF_AFTER_KINZI)) {
             reordered[len] = Mymr_C_NGA;
             reordered[len+1] = Mymr_C_VIRAMA;
-            properties[len-1] = AboveForm;
+            if (len > 0)
+                properties[len-1] = AboveForm;
             properties[len] = AboveForm;
             len += 2;
             kinzi = -1;