Merge remote-tracking branch 'origin/5.7' into 5.8

Conflicts:
	src/gui/painting/qcoregraphics.mm
	src/gui/painting/qcoregraphics_p.h
	src/plugins/platforms/cocoa/qcocoahelpers.h
	src/plugins/platforms/cocoa/qcocoahelpers.mm

Change-Id: Ibe5efcae73526b3d3931ed22730b13d372dcf54e

2 files changed, 6 insertions, 4 deletions

diff --git a/src/corelib/json/qjsonparser.cpp b/src/corelib/json/qjsonparser.cpp
index 0eb0d21ecf..39738b90a8 100644
--- a/src/corelib/json/qjsonparser.cpp
+++ b/src/corelib/json/qjsonparser.cpp
@@ -500,9 +500,10 @@ namespace {
                 memcpy(newValues, data, size*sizeof(QJsonPrivate::Value));
                 data = newValues;
             } else {
-                data = static_cast<QJsonPrivate::Value *>(realloc(data, alloc*sizeof(QJsonPrivate::Value)));
-                if (!data)
+                void *newValues = realloc(data, alloc * sizeof(QJsonPrivate::Value));
+                if (!newValues)
                     return false;
+                data = static_cast<QJsonPrivate::Value *>(newValues);
             }
             return true;
         }
diff --git a/src/corelib/json/qjsonparser_p.h b/src/corelib/json/qjsonparser_p.h
index afa2c1a8cf..379256847f 100644
--- a/src/corelib/json/qjsonparser_p.h
+++ b/src/corelib/json/qjsonparser_p.h
@@ -108,11 +108,12 @@ private:
     inline int reserveSpace(int space) {
         if (current + space >= dataLength) {
             dataLength = 2*dataLength + space;
-            data = (char *)realloc(data, dataLength);
-            if (!data) {
+            char *newData = (char *)realloc(data, dataLength);
+            if (!newData) {
                 lastError = QJsonParseError::DocumentTooLarge;
                 return -1;
             }
+            data = newData;
         }
         int pos = current;
         current += space;