syntax_data: {"ast_node_type":"struct","tokens":[{"end":98,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:         // Make sure we pass the struct as array at the LLVM IR level and not as a single integer.
context_before:     if arg.layout.size.bytes() / align_bytes == 1 {
context_after:         arg.cast_to(CastTarget::prefixed(