From 5c28677ff8bb1ab498954795ae3907f3b6c3b03f Mon Sep 17 00:00:00 2001
From: Yong He <yonghe@outlook.com>
Date: Tue, 30 May 2023 21:15:55 -0700
Subject: Fix type checking & loop value hoisting (#2907)

* Fix type checking crash in language server.

* Fix loop var hoisting logic.

Fixes #2903.

* fix.

---------

Co-authored-by: Yong He <yhe@nvidia.com>
---
 source/slang/slang-ir-validate.cpp | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

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

diff --git a/source/slang/slang-ir-validate.cpp b/source/slang/slang-ir-validate.cpp
index 18229c9b6..bf1ce1956 100644
--- a/source/slang/slang-ir-validate.cpp
+++ b/source/slang/slang-ir-validate.cpp
@@ -144,7 +144,14 @@ namespace Slang
 
         auto operandParent = operandValue->getParent();
 
-        if (auto instParentBlock = as<IRBlock>(instParent))
+        auto instParentBlock = as<IRBlock>(instParent);
+        if (!instParentBlock && as<IRDecoration>(inst))
+        {
+            instParent = instParent->getParent();
+            instParentBlock = as<IRBlock>(instParent);
+        }
+
+        if (instParentBlock)
         {
             if (auto operandParentBlock = as<IRBlock>(operandParent))
             {
-- 
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