syntax_data: {"ast_node_type":"other","tokens":[{"end":64,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     ///  * LLVM's memory dependency analysis can't handle it atm
context_before:     ///  * clang doesn't emit llvm.lifetime.end for C++ unwinding
context_after:     ///  * polluting the cleanup MIR with StorageDead creates