This patch fixes PRs 96100 and 96101.

This patch fixes PRs 96100 and 96101.

2020-08-20  Paul Thomas  <pault@gcc.gnu.org>

gcc/fortran
	PR fortran/96100
	PR fortran/96101
	* trans-array.c (get_array_charlen): Tidy up the evaluation of
	the string length for array constructors. Avoid trailing array
	references. Ensure string lengths of deferred length components
	are set. For parentheses operator apply string  length to both
	the primary expression and the enclosed expression.

gcc/testsuite/
	PR fortran/96100
	PR fortran/96101
	* gfortran.dg/char_length_23.f90: New test.

(cherry picked from commit 300ef2fcc10e98359d14654be23bbb84a5d141e1)