syntax_data: {"ast_node_type":"other","tokens":[{"end":98,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:         // We rely on the LLVM backend lowering code to lower passing a scalar larger than 2*XLEN.
context_before:     if total.bits() > 2 * xlen {
context_after:         if is_riscv_aggregate(arg) {