Fix Qt 6 build of ProjectExplorer and targets & build systems

QStringRef is gone.
qsizetype vs int.
QMultiHash::insertMulti is gone.
QXmlStreamWriter writes UTF-8 by default.

Task-number: QTCREATORBUG-24098
Change-Id: Id217e40a1f17993a84fc725976e9cb84618b0580
Reviewed-by: hjk <[email protected]>
Reviewed-by: Christian Kandeler <[email protected]>

1 files changed, 2 insertions, 2 deletions

diff --git a/src/plugins/baremetal/keiltoolchain.cpp b/src/plugins/baremetal/keiltoolchain.cpp
index 96cef9a5830..ac548bf3c14 100644
--- a/src/plugins/baremetal/keiltoolchain.cpp
+++ b/src/plugins/baremetal/keiltoolchain.cpp
@@ -630,8 +630,8 @@ static QString extractVersion(const QString &toolsFile, const QString &section)
         switch (state) {
         case Enter:
             if (hasSection) {
-                const auto content = line.midRef(firstBracket + 1,
-                                                 lastBracket - firstBracket - 1);
+                const auto content = QStringView(line).mid(firstBracket + 1,
+                                                           lastBracket - firstBracket - 1);
                 if (content == section)
                     state = Lookup;
             }