From 1b162fabe8fa07b6758fe2bce51f0dc19dd6e265 Mon Sep 17 00:00:00 2001
From: Fangrui Song <i@maskray.me>
Date: Tue, 25 Jul 2023 13:13:35 -0700
Subject: [Support] Change SetVector's default template parameter to
 SmallVector<*, 0>

Similar to D156016 for MapVector.

This brings back commit fae7b98c221b5b28797f7b56b656b6b819d99f27 with a
fix to llvm/unittests/Support/ThreadPool.cpp's `_WIN32` code path.
---
 clang/lib/CodeGen/CodeGenModule.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'clang/lib/CodeGen/CodeGenModule.cpp')

diff --git a/clang/lib/CodeGen/CodeGenModule.cpp b/clang/lib/CodeGen/CodeGenModule.cpp
index 07a9dec12f6f..908dec42afab 100644
--- a/clang/lib/CodeGen/CodeGenModule.cpp
+++ b/clang/lib/CodeGen/CodeGenModule.cpp
@@ -2236,7 +2236,7 @@ static bool requiresMemberFunctionPointerTypeMetadata(CodeGenModule &CGM,
          !isa<CXXDestructorDecl>(MD);
 }
 
-std::vector<const CXXRecordDecl *>
+SmallVector<const CXXRecordDecl *, 0>
 CodeGenModule::getMostBaseClasses(const CXXRecordDecl *RD) {
   llvm::SetVector<const CXXRecordDecl *> MostBases;
 
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