Add an include of variant.

gottesmm · gottesmm · commit 258992cc7127 · 2024-03-11T00:07:52.000-07:00
diff --git a/include/swift/SILOptimizer/Analysis/RegionAnalysis.h b/include/swift/SILOptimizer/Analysis/RegionAnalysis.h
@@ -19,6 +19,7 @@
 #include "swift/SILOptimizer/Utils/PartitionUtils.h"
 
 #include <optional>
+#include <variant>
 
 namespace swift {
 
