diff --git a/eng/native/configureoptimization.cmake b/eng/native/configureoptimization.cmake
index f6b5da696f9094..8d018d927bce82 100644
--- a/eng/native/configureoptimization.cmake
+++ b/eng/native/configureoptimization.cmake
@@ -9,6 +9,8 @@ if(CLR_CMAKE_HOST_WIN32)
     endif()
     add_compile_options($<$<AND:$<COMPILE_LANGUAGE:C,CXX>,$<CONFIG:Release>>:/Ox>)
     add_compile_options($<$<AND:$<COMPILE_LANGUAGE:C,CXX>,$<CONFIG:RelWithDebInfo>>:/O2>)
+    add_compile_options($<$<AND:$<COMPILE_LANGUAGE:C,CXX>,$<CONFIG:Release>>:/Ob3>)
+    add_compile_options($<$<AND:$<COMPILE_LANGUAGE:C,CXX>,$<CONFIG:RelWithDebInfo>>:/Ob3>)
 elseif(CLR_CMAKE_HOST_UNIX)
     add_compile_options($<$<CONFIG:Debug>:-O0>)
     add_compile_options($<$<CONFIG:Checked>:-O2>)
diff --git a/src/coreclr/jit/importer.cpp b/src/coreclr/jit/importer.cpp
index c2b0b30f243b01..5241157ab3c0bb 100644
--- a/src/coreclr/jit/importer.cpp
+++ b/src/coreclr/jit/importer.cpp
@@ -26,6 +26,7 @@ XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
 
 void Compiler::impPushOnStack(GenTree* tree, typeInfo ti)
 {
+    // dummy diff to trigger SPMI
     /* Check for overflow. If inlining, we may be using a bigger stack */
 
     if ((stackState.esStackDepth >= info.compMaxStack) &&