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-rw-r--r--lib/Solver/QueryLoggingSolver.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Solver/QueryLoggingSolver.cpp b/lib/Solver/QueryLoggingSolver.cpp
index 911fa067..df57a7db 100644
--- a/lib/Solver/QueryLoggingSolver.cpp
+++ b/lib/Solver/QueryLoggingSolver.cpp
@@ -208,7 +208,7 @@ SolverImpl::SolverRunStatus QueryLoggingSolver::getOperationStatusCode() {
   return solver->impl->getOperationStatusCode();
 }
 
-char *QueryLoggingSolver::getConstraintLog(const Query &query) {
+std::string QueryLoggingSolver::getConstraintLog(const Query &query) {
   return solver->impl->getConstraintLog(query);
 }