syntax_data: {"ast_node_type":"other","tokens":[{"end":59,"kind":"keyword","start":0,"text":"(\"soft-float\","}]}
source_snippet:     ("soft-float", Unstable(sym::arm_target_feature), &[]),
context_before:     // matching the odd negative feature LLVM uses?
context_after:     // This is needed for inline assembly, but shouldn't be stabilized as-is