From e9e8a7dbce56eb72cae3d45bea5181229a7c115e Mon Sep 17 00:00:00 2001
From: Todd Grunke <toddgrun@microsoft.com>
Date: Fri, 16 Jan 2026 10:43:30 -0800
Subject: [PATCH] Release a SyntaxListBuilder back to the pool.

Fixes https://github.com/dotnet/razor/issues/7647
---
 .../src/Language/Legacy/TokenizerBackedParser.cs          | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/Compiler/Microsoft.CodeAnalysis.Razor.Compiler/src/Language/Legacy/TokenizerBackedParser.cs b/src/Compiler/Microsoft.CodeAnalysis.Razor.Compiler/src/Language/Legacy/TokenizerBackedParser.cs
index 0caf3ec8bbb..89551e662c1 100644
--- a/src/Compiler/Microsoft.CodeAnalysis.Razor.Compiler/src/Language/Legacy/TokenizerBackedParser.cs
+++ b/src/Compiler/Microsoft.CodeAnalysis.Razor.Compiler/src/Language/Legacy/TokenizerBackedParser.cs
@@ -63,7 +63,7 @@ protected SyntaxListBuilder<SyntaxToken> TokenBuilder
         {
             if (_tokenBuilder == null)
             {
-                var result = _pool.Allocate<SyntaxToken>();
+                var result = Pool.Allocate<SyntaxToken>();
                 _tokenBuilder = result.Builder;
             }
 
@@ -735,5 +735,11 @@ internal void EndingBlock()
     public void Dispose()
     {
         _tokenizer.Dispose();
+
+        if (_tokenBuilder != null)
+        {
+            Pool.Free(_tokenBuilder);
+            _tokenBuilder = null;
+        }
     }
 }