Re: [4.5, Patch, Fortran] PR34656 - Add -fruntime-check=do for DO variable checks

[Daniel Kraft <d at domob dot eu>]

Tobias Burnus wrote:
> Hello,
>
> this patch adds two run-time checks for DO loops:
> a) That the DO step is not zero
> b) That a loop variable is not modified
>
> Contrary to other compilers, the error message is a bit unspecific (it
> points to the DO line and does not even contain the name of the DO
> variable [code->sym* is NULL]), but on the other hand it detects
> modifications other compilers do not detect (see PR). If someone has an
> idea how the diagnostics can be improved ...

Ok with me for 4.5, thanks!  It seems 4.5 will help the user in several 
ways to fix errors in his code, like recursion/do or memory leak runtime 
checking... ;)

Yours,
Daniel

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