From b4af629f4d4868ef74ee298d66259fae78c7fd89 Mon Sep 17 00:00:00 2001
From: Austin Lamb <austin.lamb@microsoft.com>
Date: Fri, 19 Feb 2021 15:27:01 -0800
Subject: [PATCH] bpo-42825: Enable /OPT:REF (GH-24098)

We explicitly disable /OPT:ICF as some manual optimisations depend on some functions still having distinct pointers (such as wrap_binary_func and wrap_binary_func_l).
---
 PCbuild/pyproject.props | 1 +
 1 file changed, 1 insertion(+)

diff --git a/PCbuild/pyproject.props b/PCbuild/pyproject.props
index 98e5ab03032..834b27c86d4 100644
--- a/PCbuild/pyproject.props
+++ b/PCbuild/pyproject.props
@@ -74,6 +74,7 @@
       <LinkTimeCodeGeneration Condition="$(SupportPGO) and $(Configuration) == 'PGInstrument'">PGInstrument</LinkTimeCodeGeneration>
       <LinkTimeCodeGeneration Condition="$(SupportPGO) and $(Configuration) == 'PGUpdate'">PGUpdate</LinkTimeCodeGeneration>
       <AdditionalDependencies>advapi32.lib;shell32.lib;ole32.lib;oleaut32.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalOptions Condition="$(Configuration) != 'Debug'">/OPT:REF,NOICF %(AdditionalOptions)</AdditionalOptions>
     </Link>
     <Lib>
       <LinkTimeCodeGeneration Condition="$(Configuration) == 'Release'">true</LinkTimeCodeGeneration>