Merge remote-tracking branch 'origin/5.6' into dev

Conflicts:
	config.tests/unix/ptrsize.test
	configure
	src/corelib/global/qnamespace.h
	src/network/socket/qabstractsocket.cpp
	tests/auto/other/networkselftest/networkselftest.pro

Change-Id: Ic78abb4a34f9068567cea876861d4220f5a07672

1 files changed, 8 insertions, 0 deletions

diff --git a/src/plugins/platforms/cocoa/qcocoaaccessibilityelement.mm b/src/plugins/platforms/cocoa/qcocoaaccessibilityelement.mm
index 050fb7ba0a..5b2ee1c284 100644
--- a/src/plugins/platforms/cocoa/qcocoaaccessibilityelement.mm
+++ b/src/plugins/platforms/cocoa/qcocoaaccessibilityelement.mm
@@ -56,6 +56,14 @@ static void convertLineOffset(QAccessibleTextInterface *text, int &line, int &of
     do {
         curStart = curEnd;
         text->textAtOffset(curStart, QAccessible::LineBoundary, &curStart, &curEnd);
+        // If the text is empty then we just return
+        if (curStart == -1 || curEnd == -1) {
+            if (start)
+                *start = 0;
+            if (end)
+                *end = 0;
+            return;
+        }
         ++curLine;
         {
             // check for a case where a single word longer than the text edit's width and gets wrapped