naked_asm: emit a label starting with `func_end`
The `cargo asm` tool (`cargo install cargo-show-asm`) pattern matches on such labels to figure out where functions end: normal functions generated by LLVM always do have such a label. We don't guarantee that naked functions emit such a label, but having `cargo asm` work is convenient.
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| .. | ||
| analyze.rs | ||
| block.rs | ||
| constant.rs | ||
| coverageinfo.rs | ||
| debuginfo.rs | ||
| intrinsic.rs | ||
| locals.rs | ||
| mod.rs | ||
| naked_asm.rs | ||
| operand.rs | ||
| place.rs | ||
| rvalue.rs | ||
| statement.rs | ||