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Linking with mold -run make resulted in illegal instructions in executable

14

I built the mold with version 1.0.0 with instructions on README I was trying to replace ld with mold, and got very excited that the linking time reduced from minutes...

Add restriction information for index merge to avoid misuse

5

### First-time contributors' checklist - [x] I've signed [**Contributor License Agreement**](https://cla-assistant.io/pingcap/docs-cn) that's required for repo owners to accept my contribution. ### What is changed, added or deleted? (Required) add the...