[Patch, fortran] PR30284 and PR30626 - ICEs with internal units

[Jerry DeLisle]

Paul Thomas wrote:
> :ADDPATCH fortran:
> 
> These two PRs are effectively identical and are fixed by the same patch.
> 
> The problem is that substring or components references of arrays result 
> in element sizes that are smaller than the stride in bytes.  This is 
> fixed by using the same temporary builder that fixed a similar problem 
> in gfc_conv_function_call.  A temporary is created that is copied to and 
> used as the internal unit for READ or is used and copied back from for 
> WRITE.  The testcases are the reporter's.
> 
> Note that I am perfectly prepared to change the names of 
> gfc_conv_aliased_arg and is_aliased_array, if only somebody would tell 
> me what they should be called :-)
> 
> Bootrtrapped and regtested on amd64/Cygwin_NT - OK for trunk and a week 
> or two later for 4.2?
> 
> Paul
> 

I will complete review and testing on this tonight or tomorrow.

Thanks Paul,

Jerry