Auto merge of #62463 - Disasm:riscv-lto, r=alexcrichton

Update LLVM: apply patch necessary for ThinLTO on RISC-V

This patch allows [using inlined assembly operations](https://github.com/rust-embedded/cortex-m/issues/139) on stable Rust with the help of ThinLTO.
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bors
2019-07-09 09:50:51 +00:00