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-rw-r--r--src/gui/opengl/qopengl.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/gui/opengl/qopengl.cpp b/src/gui/opengl/qopengl.cpp
index 7c997103d5..587975085a 100644
--- a/src/gui/opengl/qopengl.cpp
+++ b/src/gui/opengl/qopengl.cpp
@@ -385,7 +385,8 @@ static bool readGpuFeatures(const QOpenGLConfig::Gpu &gpu,
QJsonParseError error;
const QJsonDocument document = QJsonDocument::fromJson(jsonAsciiData, &error);
if (document.isNull()) {
- const int lineNumber = 1 + jsonAsciiData.left(error.offset).count('\n');
+ const qsizetype lineNumber =
+ QByteArrayView(jsonAsciiData).left(error.offset).count('\n') + 1;
QTextStream str(errorMessage);
str << "Failed to parse data: \"" << error.errorString()
<< "\" at line " << lineNumber << " (offset: "