[mono][aot] Fix an assertion. (#52762)

Fixes https://github.com/dotnet/runtime/issues/52736.

diff --git a/src/mono/mono/metadata/marshal-ilgen.c b/src/mono/mono/metadata/marshal-ilgen.c
index 151e05a936dabe493391f8e9448d6f50f45533b9..9cfd06722633e4656a5dadd4a5cbdb37dc6a94ec 100644 (file)
--- a/src/mono/mono/metadata/marshal-ilgen.c
+++ b/src/mono/mono/metadata/marshal-ilgen.c
@@ -1448,6 +1448,7 @@ mono_mb_emit_restore_result (MonoMethodBuilder *mb, MonoType *return_type)
                g_assert_not_reached ();
                break;
        case MONO_TYPE_PTR:
+       case MONO_TYPE_FNPTR:
        case MONO_TYPE_STRING:
        case MONO_TYPE_CLASS: 
        case MONO_TYPE_OBJECT: