[Patch, fortran] PR90218 - [PDT] ICE: tree check: expected array_type, have record_type in gfc_conv_array_initializer, at fortran/trans-array.c:6071

[Jerry D]

On 1/5/26 8:30 AM, Paul Richard Thomas wrote:
> Hi All,
> 
> This PR was largely fixed by preceding patches, insofar as it ran and produced 
> the expected output, apart from the explicit initialization expressions for the 
> PDT entities. However, the testcase leaked memory like a sieve and it has taken 
> a while to sort out a satisfactory fix.
> 
> The chunks in trans-decl.cc implement the fix for the explicit initialization of 
> PDT entities. This part is straightforward.
> 
> The rest of the patch is devoted to fixing the memory leaks triggered by the new 
> testcase. The problem was associated with pdt_arrays embedded in PDT 
> structure constructors, which themselves were embedded in array constructors 
> that were part of a PDT constructor.... if you see what I mean :-) The original 
> pdt_arrays are copied into a destination array, which is implicitly allocated 
> by gfc_duplicate_allocatable. The allocated memory was being lost in the 
> subsequent copy of the enclosing array constructor. Rescuing and freeing the 
> memory is accomplished using the finalization block, which is then executed 
> after the copy of the array constructor. Note that these frees are not guarded. 
> I don't believe that there is any circumstance where this will be an issue but, 
> if required, it would be easily implemented.
> 
> The chunks in trans-stmt.cc pick up memory leaks in allocation and deallocation. 
> As a side effect, the leak in pdt_3.f03 is fixed. PR121972 will be updated 
> accordingly, since pdt_39/70/77.f03 still leak memory.
> 
> Regtests on FC43/x86_64. OK for mainline
> 
> Paul
> 

Looks Good To Me Paul, also regression tested OK here.

Jerry