syntax_data: {"ast_node_type":"other","tokens":[{"end":99,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:                     // code, so we pass things indirectly even there. See #139029 for more on that.
context_before:                     // required. However, it turns out that that makes LLVM worse at optimizing this
context_after:                     if spec.simd_types_indirect {