[mono][jit] Don't try to do devirt for Delegate.Invoke (). (#83026)

The optimized delegate calling code in mini_emit_method_call_full ()
expects calls to Invoke to stay a virtual call.

diff --git a/src/mono/mono/mini/method-to-ir.c b/src/mono/mono/mini/method-to-ir.c
index af74040..c099d5c 100644 (file)
--- a/src/mono/mono/mini/method-to-ir.c
+++ b/src/mono/mono/mini/method-to-ir.c
@@ -5816,7 +5816,8 @@ try_prepare_objaddr_callvirt_optimization (MonoCompile *cfg, guchar *next_ip, gu
        if (!iface_method ||
                iface_method->is_generic ||
                iface_method->dynamic ||                                        // Reflection.Emit-generated methods should have this flag
-               !strcmp (iface_method->name, "GetHashCode")) // the callvirt handler itself optimizes those
+               !strcmp (iface_method->name, "GetHashCode") || // the callvirt handler itself optimizes those
+               (iface_method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME))
                return NULL;
 
        MonoMethodSignature* iface_method_sig;