Tim Keith b51673cab9 [flang] Add checks for valid defined assignment procedures ... Perform the checks from 15.4.3.4.3 to determine what procedures are valid to implement defined assignment. This requires characterizing procedures, so share the result of that with `CheckSpecificsAreDistinguishable`. Original-commit: flang-compiler/f18@9e0d79f173 Reviewed-on: https://github.com/flang-compiler/f18/pull/841 Tree-same-pre-rewrite: false		2019-11-26 11:18:59 -08:00
flang	[flang] Add checks for valid defined assignment procedures	2019-11-26 11:18:59 -08:00