[fpc-devel] Unfortunately still an issue .... [[Re: fpc trunk / parentfp for debugger / missing]]

[Yuriy Sydorov]

On 19.08.2020 21:23, Martin Frb via fpc-devel wrote:
> On 22/06/2020 18:36, Jonas Maebe wrote:
>> On 21/06/2020 22:07, Yuriy Sydorov wrote:
>>>> It may also be also broken with FPC's code generator, but simply not get
>>>> detected at compile time.
>>> Fixed.
>> Thanks!
>>
> 
> Just tested with 3.3.1 from 17.08.2020.
> 
> There are still cases where it goes wrong. (tested on win 64 / with -O- and -O1)
> components\lazdebuggers\lazdebugtestbase\testapps\WatchesScopePrg.lpi
> 
> FuncFooNestedTwice and FuncFooNestedTwice2
> Both do not actually access any variables from the parent.
> 
> The value for parentfp is passed in register rcx
> And the debug info, correctly says that it is in that register.
> 
> This also works fine, if stopped at the first line (after "begin") in either of those 2 procedures.
> But stepping through the procedure
>     "Result := 'abc2';"
> uses rcx
> and the value is lost.

Fixed in r46514.

Yuriy.