[cfe-dev] Help required debugging clang

[Umesh Kalappa via cfe-dev]

If you are using gdb  , check out "set follow-fork-mode child".

Umesh

On Sat, Jun 22, 2019, 15:19 vivek pandya via cfe-dev <cfe-dev at lists.llvm.org>
wrote:

> Hello,
>
> I am trying to debug clang++ with following program
> template <class T> T::R f();
>
> here it gives error:
>  error: missing 'typename' prior to dependent type name 'T::R'
> and I want to understand the complete flow where this error is generated.
>
> For this purpose I put break point in clang code which uses
> dianostic kind err_typename_missing but the break points never hits.
>
> So in other approach I tried to debug from the main()
> but after sys::ExecuteAndWait() it spawns new thread for clang-9
> executable and then I can no longer debug it.
>
> Can someone provide some pointer on how to find out the exact flow?
>
> -Vivek
>
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