syntax_data: {"ast_node_type":"other","tokens":[{"end":92,"kind":"keyword","start":0,"text":"\"r6"}]}
source_snippet:             "r6 is used internally by LLVM and cannot be used as an operand for inline asm",
context_before:         #error = ["r6", "v3"] =>
context_after:         #error = ["r13", "sp"] =>