syntax_data: {"ast_node_type":"other","tokens":[{"end":53,"kind":"keyword","start":0,"text":"if"}]}
source_snippet:     if frame_pointer_is_r7(target_features, target) {
context_before: ) -> Result<(), &'static str> {
context_after:         Err("the frame pointer (r7) cannot be used as an operand for inline asm")