From 7bcc2b15c8be4aebc6b9b8f05af6db7a451b228b Mon Sep 17 00:00:00 2001
From: Yong He <yonghe@outlook.com>
Date: Tue, 10 Nov 2020 14:55:36 -0800
Subject: Use integer RTTI/witness handles in existential tuples. (#1598)

* Use integer RTTI/witness handles in existential tuples.

* Fix clang error.

* Fix IR serialization to use 16bits for opcode.

* Undo accidental comment change.

* Use variable length encoding for opcode.

* Fix compile error.

* Fixing issues

* Fix code review issues.
---
 source/slang/slang-ir-specialize-dispatch.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'source/slang/slang-ir-specialize-dispatch.cpp')

diff --git a/source/slang/slang-ir-specialize-dispatch.cpp b/source/slang/slang-ir-specialize-dispatch.cpp
index 98a0ba3b7..ebf3f1909 100644
--- a/source/slang/slang-ir-specialize-dispatch.cpp
+++ b/source/slang/slang-ir-specialize-dispatch.cpp
@@ -12,7 +12,7 @@ IRFunc* specializeDispatchFunction(SharedGenericsLoweringContext* sharedContext,
 
     // Collect all witness tables of `witnessTableType` in current module.
     List<IRWitnessTable*> witnessTables = sharedContext->getWitnessTablesFromInterfaceType(
-        cast<IRWitnessTableType>(witnessTableType)->getConformanceType());
+        cast<IRWitnessTableTypeBase>(witnessTableType)->getConformanceType());
 
     SLANG_ASSERT(dispatchFunc->getFirstBlock() == dispatchFunc->getLastBlock());
     auto block = dispatchFunc->getFirstBlock();
-- 
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