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-rw-r--r--source/slang/slang-emit.cpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/source/slang/slang-emit.cpp b/source/slang/slang-emit.cpp
index 21073f4c8..da8739a49 100644
--- a/source/slang/slang-emit.cpp
+++ b/source/slang/slang-emit.cpp
@@ -25,6 +25,7 @@
#include "slang-ir-lower-generics.h"
#include "slang-ir-lower-tuple-types.h"
#include "slang-ir-lower-result-type.h"
+#include "slang-ir-lower-optional-type.h"
#include "slang-ir-lower-bit-cast.h"
#include "slang-ir-lower-reinterpret.h"
#include "slang-ir-metadata.h"
@@ -387,6 +388,9 @@ Result linkAndOptimizeIR(
// will run a DCE pass to clean up after the specialization.
//
simplifyIR(irModule);
+
+ lowerOptionalType(irModule, sink);
+
#if 0
dumpIRIfEnabled(codeGenContext, irModule, "AFTER DCE");
#endif