Pete Steinfeld 2b790490b6 [flang] Checks for constraints C731 through C740 ...

In most cases, I just added the contraint names to the code and tests.

I implemented the following checks:
  - C736 A child type with a coarray ultimate component must have a parent with
    a coarray ultimate component.
  - C737 A child type with and EVENT_TYPE or LOCK_TYPE component must have a
    parent either which is EVENT_TYPE or LOCK_TYPE or a type with an EVENT_TYPE
    or LOCK_TYPE component.
  - C740 Sequence types must contain at least on component
  - C740 Data components of sequence types must either be of an intrinsic type
    or a sequenced derived type.

After implementing these checks, some tests had new errors unrelated to their
original purpose, so I fixed them.

Original-commit: flang-compiler/f18@098f01bc47
Reviewed-on: https://github.com/flang-compiler/f18/pull/1097

2020-04-02 06:41:33 -07:00

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