diff --git a/src/libs/languageutils/componentversion.cpp b/src/libs/languageutils/componentversion.cpp
index f041740d3b2..edfa2c552bb 100644
--- a/src/libs/languageutils/componentversion.cpp
+++ b/src/libs/languageutils/componentversion.cpp
@@ -6,8 +6,6 @@
 #include <QString>
 #include <QCryptographicHash>
 
-#include <limits>
-
 namespace LanguageUtils {
 
 // QTC_TEMP
@@ -42,8 +40,8 @@ QString ComponentVersion::toString() const
 
 void ComponentVersion::addToHash(QCryptographicHash &hash) const
 {
-    hash.addData(reinterpret_cast<const char *>(&_major), sizeof(_major));
-    hash.addData(reinterpret_cast<const char *>(&_minor), sizeof(_minor));
+    hash.addData(QByteArrayView(reinterpret_cast<const char *>(&_major), sizeof(_major)));
+    hash.addData(QByteArrayView(reinterpret_cast<const char *>(&_minor), sizeof(_minor)));
 }
 
 } // namespace LanguageUtils
diff --git a/src/libs/languageutils/fakemetaobject.cpp b/src/libs/languageutils/fakemetaobject.cpp
index 4c553cdc7b5..da7877c1b63 100644
--- a/src/libs/languageutils/fakemetaobject.cpp
+++ b/src/libs/languageutils/fakemetaobject.cpp
@@ -6,6 +6,21 @@
 
 using namespace LanguageUtils;
 
+static QByteArrayView asData(const void *mem, size_t len)
+{
+    return QByteArrayView(reinterpret_cast<const char *>(mem), len);
+}
+
+static void addData(QCryptographicHash &hash, int x)
+{
+    hash.addData(asData(&x, sizeof(int)));
+}
+
+static void addData(QCryptographicHash &hash, const QString &x)
+{
+    hash.addData(asData(x.constData(), x.size() * sizeof(QChar)));
+}
+
 FakeMetaEnum::FakeMetaEnum()
 {}
 
@@ -39,15 +54,12 @@ bool FakeMetaEnum::hasKey(const QString &key) const
 
 void FakeMetaEnum::addToHash(QCryptographicHash &hash) const
 {
-    int len = m_name.size();
-    hash.addData(reinterpret_cast<const char *>(&len), sizeof(len));
-    hash.addData(reinterpret_cast<const char *>(m_name.constData()), len * sizeof(QChar));
-    len = m_keys.size();
-    hash.addData(reinterpret_cast<const char *>(&len), sizeof(len));
+    addData(hash, m_name.size());
+    addData(hash, m_name);
+    addData(hash, m_keys.size());
     for (const QString &key : std::as_const(m_keys)) {
-        len = key.size();
-        hash.addData(reinterpret_cast<const char *>(&len), sizeof(len));
-        hash.addData(reinterpret_cast<const char *>(key.constData()), len * sizeof(QChar));
+        addData(hash, key.size());
+        addData(hash, key);
     }
 }
 
@@ -121,29 +133,23 @@ void FakeMetaMethod::setRevision(int r)
 
 void FakeMetaMethod::addToHash(QCryptographicHash &hash) const
 {
-    int len = m_name.size();
-    hash.addData(reinterpret_cast<const char *>(&len), sizeof(len));
-    hash.addData(reinterpret_cast<const char *>(m_name.constData()), len * sizeof(QChar));
-    hash.addData(reinterpret_cast<const char *>(&m_methodAccess), sizeof(m_methodAccess));
-    hash.addData(reinterpret_cast<const char *>(&m_methodTy), sizeof(m_methodTy));
-    hash.addData(reinterpret_cast<const char *>(&m_revision), sizeof(m_revision));
-    len = m_paramNames.size();
-    hash.addData(reinterpret_cast<const char *>(&len), sizeof(len));
+    addData(hash, m_name.size());
+    addData(hash, m_name);
+    addData(hash, m_methodAccess);
+    addData(hash, m_methodTy);
+    addData(hash, m_revision);
+    addData(hash, m_paramNames.size());
     for (const QString &pName : std::as_const(m_paramNames)) {
-        len = pName.size();
-        hash.addData(reinterpret_cast<const char *>(&len), sizeof(len));
-        hash.addData(reinterpret_cast<const char *>(pName.constData()), len * sizeof(QChar));
+        addData(hash, pName.size());
+        addData(hash, pName);
     }
-    len = m_paramTypes.size();
-    hash.addData(reinterpret_cast<const char *>(&len), sizeof(len));
+    addData(hash, m_paramTypes.size());
     for (const QString &pType : std::as_const(m_paramTypes)) {
-        len = pType.size();
-        hash.addData(reinterpret_cast<const char *>(&len), sizeof(len));
-        hash.addData(reinterpret_cast<const char *>(pType.constData()), len * sizeof(QChar));
+        addData(hash, pType.size());
+        addData(hash, pType);
     }
-    len = m_returnType.size();
-    hash.addData(reinterpret_cast<const char *>(&len), sizeof(len));
-    hash.addData(reinterpret_cast<const char *>(m_returnType.constData()), len * sizeof(QChar));
+    addData(hash, m_returnType.size());
+    addData(hash, m_returnType);
 }
 
 QString FakeMetaMethod::describe(int baseIndent) const
@@ -213,17 +219,15 @@ int FakeMetaProperty::revision() const
 
 void FakeMetaProperty::addToHash(QCryptographicHash &hash) const
 {
-    int len = m_propertyName.size();
-    hash.addData(reinterpret_cast<const char *>(&len), sizeof(len));
-    hash.addData(reinterpret_cast<const char *>(m_propertyName.constData()), len * sizeof(QChar));
-    hash.addData(reinterpret_cast<const char *>(&m_revision), sizeof(m_revision));
+    addData(hash, m_propertyName.size());
+    addData(hash, m_propertyName);
+    addData(hash, m_revision);
     int flags = (m_isList ? (1 << 0) : 0)
             + (m_isPointer ? (1 << 1) : 0)
             + (m_isWritable ? (1 << 2) : 0);
-    hash.addData(reinterpret_cast<const char *>(&flags), sizeof(flags));
-    len = m_type.size();
-    hash.addData(reinterpret_cast<const char *>(&len), sizeof(len));
-    hash.addData(reinterpret_cast<const char *>(m_type.constData()), len * sizeof(QChar));
+    addData(hash, flags);
+    addData(hash, m_type.size());
+    addData(hash, m_type);
 }
 
 QString FakeMetaProperty::describe(int baseIndent) const
@@ -361,34 +365,34 @@ QByteArray FakeMetaObject::calculateFingerprint() const
 {
     QCryptographicHash hash(QCryptographicHash::Sha1);
     int len = m_className.size();
-    hash.addData(reinterpret_cast<const char *>(&len), sizeof(len));
-    hash.addData(reinterpret_cast<const char *>(m_className.constData()), len * sizeof(QChar));
+    addData(hash, len);
+    addData(hash, m_className);
     len = m_attachedTypeName.size();
-    hash.addData(reinterpret_cast<const char *>(&len), sizeof(len));
-    hash.addData(reinterpret_cast<const char *>(m_attachedTypeName.constData()), len * sizeof(QChar));
+    addData(hash, len);
+    addData(hash, m_attachedTypeName);
     len = m_defaultPropertyName.size();
-    hash.addData(reinterpret_cast<const char *>(&len), sizeof(len));
-    hash.addData(reinterpret_cast<const char *>(m_defaultPropertyName.constData()), len * sizeof(QChar));
+    addData(hash, len);
+    addData(hash, m_defaultPropertyName);
     len = m_enumNameToIndex.size();
-    hash.addData(reinterpret_cast<const char *>(&len), sizeof(len));
+    addData(hash, len);
     {
         QStringList keys(m_enumNameToIndex.keys());
         keys.sort();
         for (const QString &key : std::as_const(keys)) {
             len = key.size();
-            hash.addData(reinterpret_cast<const char *>(&len), sizeof(len));
-            hash.addData(reinterpret_cast<const char *>(key.constData()), len * sizeof(QChar));
+            addData(hash, len);
+            addData(hash, key);
             int value = m_enumNameToIndex.value(key);
-            hash.addData(reinterpret_cast<const char *>(&value), sizeof(value)); // avoid? this adds order dependency to fingerprint...
+            addData(hash, value);
             m_enums.at(value).addToHash(hash);
         }
     }
     len = m_exports.size();
-    hash.addData(reinterpret_cast<const char *>(&len), sizeof(len));
+    addData(hash, len);
     for (const Export &e : std::as_const(m_exports))
         e.addToHash(hash); // normalize order?
     len = m_exports.size();
-    hash.addData(reinterpret_cast<const char *>(&len), sizeof(len));
+    addData(hash, len);
     for (const FakeMetaMethod &m : std::as_const(m_methods))
         m.addToHash(hash); // normalize order?
     {
@@ -396,16 +400,16 @@ QByteArray FakeMetaObject::calculateFingerprint() const
         keys.sort();
         for (const QString &key : std::as_const(keys)) {
             len = key.size();
-            hash.addData(reinterpret_cast<const char *>(&len), sizeof(len));
-            hash.addData(reinterpret_cast<const char *>(key.constData()), len * sizeof(QChar));
+            addData(hash, len);
+            addData(hash, key);
             int value = m_propNameToIdx.value(key);
-            hash.addData(reinterpret_cast<const char *>(&value), sizeof(value)); // avoid? this adds order dependency to fingerprint...
+            addData(hash, value);
             m_props.at(value).addToHash(hash);
         }
     }
     len = m_superName.size();
-    hash.addData(reinterpret_cast<const char *>(&len), sizeof(len));
-    hash.addData(reinterpret_cast<const char *>(m_superName.constData()), len * sizeof(QChar));
+    addData(hash, len);
+    addData(hash, m_superName);
 
     QByteArray res = hash.result();
     res.append('F');
@@ -540,14 +544,12 @@ bool FakeMetaObject::Export::isValid() const
 
 void FakeMetaObject::Export::addToHash(QCryptographicHash &hash) const
 {
-    int len = package.size();
-    hash.addData(reinterpret_cast<const char *>(&len), sizeof(len));
-    hash.addData(reinterpret_cast<const char *>(package.constData()), len * sizeof(QChar));
-    len = type.size();
-    hash.addData(reinterpret_cast<const char *>(&len), sizeof(len));
-    hash.addData(reinterpret_cast<const char *>(type.constData()), len * sizeof(QChar));
+    addData(hash, package.size());
+    addData(hash, package);
+    addData(hash, type.size());
+    addData(hash, type);
     version.addToHash(hash);
-    hash.addData(reinterpret_cast<const char *>(&metaObjectRevision), sizeof(metaObjectRevision));
+    addData(hash, metaObjectRevision);
 }
 
 QString FakeMetaObject::Export::describe(int baseIndent) const
diff --git a/src/libs/qmljs/qmljsimportdependencies.cpp b/src/libs/qmljs/qmljsimportdependencies.cpp
index f1c4181a830..8e725fa521f 100644
--- a/src/libs/qmljs/qmljsimportdependencies.cpp
+++ b/src/libs/qmljs/qmljsimportdependencies.cpp
@@ -185,14 +185,14 @@ ImportKey::ImportKey(ImportType::Enum type, const QString &path, int majorVersio
 
 void ImportKey::addToHash(QCryptographicHash &hash) const
 {
-    hash.addData(reinterpret_cast<const char *>(&type), sizeof(type));
-    hash.addData(reinterpret_cast<const char *>(&majorVersion), sizeof(majorVersion));
-    hash.addData(reinterpret_cast<const char *>(&minorVersion), sizeof(minorVersion));
+    hash.addData(QByteArrayView(reinterpret_cast<const char *>(&type), sizeof(type)));
+    hash.addData(QByteArrayView(reinterpret_cast<const char *>(&majorVersion), sizeof(majorVersion)));
+    hash.addData(QByteArrayView(reinterpret_cast<const char *>(&minorVersion), sizeof(minorVersion)));
     for (const QString &s : splitPath) {
-        hash.addData("/", 1);
-        hash.addData(reinterpret_cast<const char *>(s.constData()), sizeof(QChar) * s.size());
+        hash.addData("/");
+        hash.addData(QByteArrayView(reinterpret_cast<const char *>(s.constData()), sizeof(QChar) * s.size()));
     }
-    hash.addData("/", 1);
+    hash.addData("/");
 }
 
 ImportKey ImportKey::flatKey() const {
@@ -547,11 +547,11 @@ QByteArray DependencyInfo::calculateFingerprint(const ImportDependencies &deps)
     QStringList coreImports = Utils::toList(allCoreImports);
     coreImports.sort();
     for (const QString &importId : std::as_const(coreImports)) {
-        hash.addData(reinterpret_cast<const char*>(importId.constData()), importId.size() * sizeof(QChar));
+        hash.addData(QByteArrayView(reinterpret_cast<const char*>(importId.constData()), importId.size() * sizeof(QChar)));
         QByteArray coreImportFingerprint = deps.coreImport(importId).fingerprint;
         hash.addData(coreImportFingerprint);
     }
-    hash.addData("/", 1);
+    hash.addData("/");
     QList<ImportKey> imports = Utils::toList(allImports);
     std::sort(imports.begin(), imports.end());
     for (const ImportKey &k : std::as_const(imports))