[cfe-dev] -ferror-limit omits part of last error message

[Douglas Gregor]

On Jul 29, 2011, at 3:32 AM, Bjorn Reese wrote:

> Consider the following program:
> 
>   class Alpha {};
>   class Alpha {};
> 
> When compiled it will give the following reply:
> 
> <output>
>   error-limit.cpp:2:7: error: redefinition of 'Alpha'
>   class Alpha {};
>         ^
>   error-limit.cpp:1:7: note: previous definition is here
>   class Alpha {};
>         ^
>   1 error generated.
> </output>
> 
> The first messages tells us the error, and the second message contains
> additional information about the error.
> 
> However, when compiled with -ferror-limit=1 we get:
> 
> <output>
>   error-limit.cpp:2:7: error: redefinition of 'Alpha'
>   class Alpha {};
>         ^
>   fatal error: too many errors emitted, stopping now [-ferror-limit=]
> 
>   2 errors generated.
> </output>
> 
> The additional information about the (first) error is gone.

Please file a bug and/or submit a patch. The -ferror-limit logic is clipping notes when it shouldn't.

	- Doug