--- qtwebengine/src/3rdparty/chromium/third_party/WebKit/Source/platform/text/TextBreakIterator.cpp	2016-11-15 17:07:38.680665385 -0800
+++ qtwebengine/src/3rdparty/chromium/third_party/WebKit/Source/platform/text/TextBreakIterator.cpp	2016-11-15 17:12:17.564001354 -0800
@@ -26,6 +26,9 @@
 #include "wtf/StdLibExtras.h"
 #include "wtf/text/CharacterNames.h"
 
+#include <unicode/uchar.h>
+#include <unicode/uvernum.h>
+
 namespace blink {
 
 unsigned numGraphemeClusters(const String& string)
@@ -122,13 +125,18 @@
     { B(0, 0, 0, 0, 0, 0, 0, 0), B(0, 0, 0, 0, 0, 0, 0, 0), 0, B(0, 0, 0, 0, 0, 0, 0, 0), 0, 0, 0, B(0, 0, 0, 0, 0, 0, 0, 0), 0, 0, 0, B(0, 0, 0, 0, 0, 0, 0, 0) }, // DEL
 };
 
+#if U_ICU_VERSION_MAJOR_NUM >= 58
+#define BA_LB_COUNT (U_LB_COUNT - 3)
+#else
+#define BA_LB_COUNT U_LB_COUNT
+#endif
 // Line breaking table for CSS word-break: break-all. This table differs from
 // asciiLineBreakTable in:
 // - Indices are Line Breaking Classes defined in UAX#14 Unicode Line Breaking
 //   Algorithm: http://unicode.org/reports/tr14/#DescriptionOfProperties
 // - 1 indicates additional break opportunities. 0 indicates to fallback to
 //   normal line break, not "prohibit break."
-static const unsigned char breakAllLineBreakClassTable[][U_LB_COUNT / 8 + 1] = {
+static const unsigned char breakAllLineBreakClassTable[][BA_LB_COUNT / 8 + 1] = {
     // XX AI AL B2 BA BB BK CB    CL CM CR EX GL HY ID IN    IS LF NS NU OP PO PR QU    SA SG SP SY ZW NL WJ H2    H3 JL JT JV CP CJ HL RI
     { B(0, 0, 0, 0, 0, 0, 0, 0), B(0, 0, 0, 0, 0, 0, 0, 0), B(0, 0, 0, 0, 0, 0, 0, 0), B(0, 0, 0, 0, 0, 0, 0, 0), B(0, 0, 0, 0, 0, 0, 0, 0) }, // XX
     { B(0, 1, 1, 0, 1, 0, 0, 0), B(0, 0, 0, 0, 0, 1, 0, 0), B(0, 0, 0, 1, 1, 0, 1, 0), B(1, 0, 0, 0, 0, 0, 0, 0), B(0, 0, 0, 0, 0, 0, 1, 0) }, // AI
@@ -178,7 +186,7 @@
 #undef AL
 
 static_assert(WTF_ARRAY_LENGTH(asciiLineBreakTable) == asciiLineBreakTableLastChar - asciiLineBreakTableFirstChar + 1, "asciiLineBreakTable should be consistent");
-static_assert(WTF_ARRAY_LENGTH(breakAllLineBreakClassTable) == U_LB_COUNT, "breakAllLineBreakClassTable should be consistent");
+static_assert(WTF_ARRAY_LENGTH(breakAllLineBreakClassTable) == BA_LB_COUNT, "breakAllLineBreakClassTable should be consistent");
 
 static inline bool shouldBreakAfter(UChar lastCh, UChar ch, UChar nextCh)
 {
@@ -209,7 +217,7 @@
 
 static inline bool shouldBreakAfterBreakAll(ULineBreak lastLineBreak, ULineBreak lineBreak)
 {
-    if (lineBreak >= 0 && lineBreak < U_LB_COUNT && lastLineBreak >= 0 && lastLineBreak < U_LB_COUNT) {
+    if (lineBreak >= 0 && lineBreak < BA_LB_COUNT && lastLineBreak >= 0 && lastLineBreak < BA_LB_COUNT) {
         const unsigned char* tableRow = breakAllLineBreakClassTable[lastLineBreak];
         return tableRow[lineBreak / 8] & (1 << (lineBreak % 8));
     }
