From 977b1f574fa18219fde5f709b906c79202ef1916 Mon Sep 17 00:00:00 2001
From: Kadir Cetinkaya <kadircet@google.com>
Date: Thu, 17 Feb 2022 22:01:29 +0100
Subject: [PATCH] [clang][ASTReader] Fix memory leak while reading
 FriendTemplateDecls

Allocate on ASTContext, rather than just on heap, so that template
parameter lists are freed up.

Differential Revision: https://reviews.llvm.org/D120081
---
 clang/lib/Serialization/ASTReaderDecl.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/clang/lib/Serialization/ASTReaderDecl.cpp b/clang/lib/Serialization/ASTReaderDecl.cpp
index 25d7e9e6a2e6..29bef2aa2089 100644
--- a/clang/lib/Serialization/ASTReaderDecl.cpp
+++ b/clang/lib/Serialization/ASTReaderDecl.cpp
@@ -2103,7 +2103,7 @@ void ASTDeclReader::VisitFriendTemplateDecl(FriendTemplateDecl *D) {
   VisitDecl(D);
   unsigned NumParams = Record.readInt();
   D->NumParams = NumParams;
-  D->Params = new TemplateParameterList*[NumParams];
+  D->Params = new (Reader.getContext()) TemplateParameterList *[NumParams];
   for (unsigned i = 0; i != NumParams; ++i)
     D->Params[i] = Record.readTemplateParameterList();
   if (Record.readInt()) // HasFriendDecl