Merge remote-tracking branch 'origin/5.9' into 5.10

 Conflicts:
	.qmake.conf
	src/qml/jsruntime/qv4engine.cpp

Change-Id: I5f7b63a937a214267e15ad5757844d662a4f981b

1 files changed, 4 insertions, 7 deletions

diff --git a/src/qml/jsruntime/qv4engine.cpp b/src/qml/jsruntime/qv4engine.cpp
index a5fc37b91b..7b298a302c 100644
--- a/src/qml/jsruntime/qv4engine.cpp
+++ b/src/qml/jsruntime/qv4engine.cpp
@@ -502,10 +502,8 @@ ExecutionEngine::~ExecutionEngine()
     delete identifierTable;
     delete memoryManager;
 
-    QSet<QV4::CompiledData::CompilationUnit*> remainingUnits;
-    qSwap(compilationUnits, remainingUnits);
-    for (QV4::CompiledData::CompilationUnit *unit : qAsConst(remainingUnits))
-        unit->unlink();
+    while (!compilationUnits.isEmpty())
+        (*compilationUnits.begin())->unlink();
 
     internalClasses[Class_Empty]->destroy();
     delete classPool;
@@ -970,9 +968,8 @@ void ExecutionEngine::markObjects(MarkStack *markStack)
     classPool->markObjects(markStack);
     markStack->drain();
 
-    for (QSet<CompiledData::CompilationUnit*>::ConstIterator it = compilationUnits.constBegin(), end = compilationUnits.constEnd();
-         it != end; ++it) {
-        (*it)->markObjects(markStack);
+    for (auto compilationUnit: compilationUnits) {
+        compilationUnit->markObjects(markStack);
         markStack->drain();
     }
 }