[PATCH, Fortran] PR fortran/60289 First try on: Fixing character array allocation for class(*) type variable

[Dominique Dhumieres]

> Here is a failing testcase.

I was about to post the same test. The test fails with two counts:
(1) len(P) == 80,
(2) deallocate(P) fails with

a.out(882,0x7fff75e1d310) malloc: *** error for object 0x7fc801c04978: incorrect checksum for freed object - object was probably modified after being freed.
...

Dominique