Component::CreatePointerDescriptor unconditionally expects a
vector of subscripts to be passed as an argument, but is called
from NAMELIST input with a null pointer. Make that argument
a nullable pointer, move it to the end of the argument list,
and give it a default value of nullptr.
Differential Revision: https://reviews.llvm.org/D113312
Move the closure of the subset of flang/runtime/*.h header files that
are referenced by source files outside flang/runtime (apart from unit tests)
into a new directory (flang/include/flang/Runtime) so that relative
include paths into ../runtime need not be used.
flang/runtime/pgmath.h.inc is moved to flang/include/flang/Evaluate;
it's not used by the runtime.
Differential Revision: https://reviews.llvm.org/D109107
Define an API for, and implement, runtime support for arbitrary
assignment of one descriptor's data to another, with full support for
(re)allocation of allocatables with finalization when necessary,
user-defined derived type assignment TBP calls, and intrinsic (default)
componentwise assignment of derived type instances with allocation of
automatic components. Also clean up API and implementation of
finalization/destruction using knowledge gained while studying
edge cases for assignment in the 2018 standard.
The look-up procedure for special procedure bindings in derived
types has been optimized from O(N) to O(1) since it will probably
matter more. This required some analysis in runtime derived type
description table construction in semantics and some changes to the
table schemata.
Executable Fortran tests have been developed; they'll be added
to the test base once they can be lowered and run by f18.
Differential Revision: https://reviews.llvm.org/D107678
peter klausler