From 326a0735426eefb5451d312925463be4e416a0df Mon Sep 17 00:00:00 2001
From: Zoltan Varga <vargaz@gmail.com>
Date: Sun, 14 Mar 2021 22:43:09 -0400
Subject: [PATCH] Disable /OPT:ICF on windows, it merges identical functions
 breaking icall symbol lookup.

---
 src/mono/mono/mini/CMakeLists.txt | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/mono/mono/mini/CMakeLists.txt b/src/mono/mono/mini/CMakeLists.txt
index a517a70735a167..c7efa1fb442bb8 100644
--- a/src/mono/mono/mini/CMakeLists.txt
+++ b/src/mono/mono/mini/CMakeLists.txt
@@ -45,6 +45,11 @@ if(ENABLE_PERFTRACING)
 
 endif(ENABLE_PERFTRACING)
 
+if(HOST_WIN32)
+  # /OPT:ICF merges idential functions breaking mono_lookup_icall_symbol ()
+  add_link_options(/OPT:NOICF)
+endif()
+
 # ICU
 if(HAVE_SYS_ICU)
   if(STATIC_ICU)