[mini] Remove assert and document reason it can't be used.

diff --git a/mono/mini/memory-access.c b/mono/mini/memory-access.c
index 57b7c92b19c4cbe97f71c69d2502f1e64353d1ab..57b07ed074a91431dce98bf1e9118e42dd263887 100644 (file)
--- a/mono/mini/memory-access.c
+++ b/mono/mini/memory-access.c
@@ -344,7 +344,12 @@ mini_emit_memory_copy_internal (MonoCompile *cfg, MonoInst *dest, MonoInst *src,
        MonoInst *memcpy_ins = NULL;
 
        g_assert (klass);
-       g_assert (!(native && klass->has_references));
+       /*
+       Fun fact about @native. It's false that @klass will have no ref when @native is true.
+       This happens in pinvoke2. What goes is that marshal.c uses CEE_MONO_LDOBJNATIVE and pass klass.
+       The actual stuff being copied will have no refs, but @klass might.
+       This means we can't assert !(klass->has_references && native).
+       */
 
        if (cfg->gshared)
                klass = mono_class_from_mono_type (mini_get_underlying_type (&klass->byval_arg));