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-rw-r--r--Source/cmGeneratorExpressionEvaluationFile.cxx2
1 files changed, 1 insertions, 1 deletions
diff --git a/Source/cmGeneratorExpressionEvaluationFile.cxx b/Source/cmGeneratorExpressionEvaluationFile.cxx
index a094fa5..e7a55e0 100644
--- a/Source/cmGeneratorExpressionEvaluationFile.cxx
+++ b/Source/cmGeneratorExpressionEvaluationFile.cxx
@@ -55,7 +55,7 @@ void cmGeneratorExpressionEvaluationFile::Generate(
std::string outputFileName = this->OutputFileExpr->Evaluate(
lg, config, false, nullptr, nullptr, nullptr, lang);
- const std::string outputContent = inputExpression->Evaluate(
+ const std::string& outputContent = inputExpression->Evaluate(
lg, config, false, nullptr, nullptr, nullptr, lang);
if (cmSystemTools::FileIsFullPath(outputFileName)) {