[Lldb-commits] [lldb] [llvm][Highlighter/Swift] fix grammar.js warnings (PR #221781)

[Yao Qi via lldb-commits]

qiyao wrote:

> Fixes the following warnings during lldb build on FreeBSD (could not observe on macOS): 

I can reproduce these warnings on macOS, with `tree-sitter` and `tree-sitter-cli` installed.
```
%  ninja tree-sitter-swift
[1/4] Generating src/parser.c
Warning: rule super_expression contains a `seq` rule with a single element. this is unnecessary.
Warning: rule inheritance_modifier contains a `choice` rule with a single element. this is unnecessary.
Warning: rule diagnostic contains a `seq` rule with a single element. this is unnecessary.
Warning: rule diagnostic contains a `seq` rule with a single element. this is unnecessary.
Warning: rule diagnostic contains a `seq` rule with a single element. this is unnecessary.
```


https://github.com/llvm/llvm-project/pull/221781