Michael Buch 58912f3c73 [lldb][Expression] Emit hint to use --c++-ignore-context-qualifiers (#177927) ...

Depends on:
* https://github.com/llvm/llvm-project/pull/177921
* https://github.com/llvm/llvm-project/pull/177926

(only last commit is relevant for this review)

This patch emits a workaround suggestion (in the form of a `note:`
diagnostic) when an expression fails due to trying to mutate state/call
functions with CV-qualifiers that are disallowed by C++ language rules
based on the context the expression is evaluated in. The note looks as
follows:
```
(lldb) expr next.method()
            ˄
            ╰─ error: 'this' argument to member function 'method' has type 'const Bar', but function is not marked const
note: Ran expression as 'C++14'.
note: note: 'method' declared here
note: Possibly trying to mutate object in a const context. Try running the expression with: expression --c++-ignore-context-qualifiers -- <your expression>
```

2026-02-05 08:43:17 +00:00

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