diff --git a/eng/native/configurecompiler.cmake b/eng/native/configurecompiler.cmake
index c5fa2f7db88305..d949e9ce89b58e 100644
--- a/eng/native/configurecompiler.cmake
+++ b/eng/native/configurecompiler.cmake
@@ -620,6 +620,9 @@ if (CLR_CMAKE_HOST_UNIX)
 
     # clang 18.1 supressions
     add_compile_options(-Wno-switch-default)
+
+    # clang 20 suppressions
+    add_compile_options($<$<COMPILE_LANGUAGE:CXX>:-Wno-nontrivial-memaccess>)
   else()
     add_compile_options(-Wno-uninitialized)
     add_compile_options(-Wno-strict-aliasing)
diff --git a/src/coreclr/debug/ee/stdafx.h b/src/coreclr/debug/ee/stdafx.h
index 7a93a1d8e25806..4a07384047d0a7 100644
--- a/src/coreclr/debug/ee/stdafx.h
+++ b/src/coreclr/debug/ee/stdafx.h
@@ -14,6 +14,7 @@
 #include <stdio.h>
 #include <algorithm>
 #include <cmath>
+#include <common.h>
 
 #include <windows.h>
 
diff --git a/src/coreclr/vm/common.h b/src/coreclr/vm/common.h
index 19a5384433cf15..ce8afdd4d2808e 100644
--- a/src/coreclr/vm/common.h
+++ b/src/coreclr/vm/common.h
@@ -73,6 +73,10 @@
 
 #include <olectl.h>
 
+#ifdef HOST_AMD64
+#include <xmmintrin.h>
+#endif
+
 using std::max;
 using std::min;