swift

f30ba306 - [Sema] Add warning for ambiguous value assignment when using Optional (#21621)

[Sema] Add warning for ambiguous value assignment when using Optional (#21621) * [sema] emit a diag if the enum case matches Optional<T>.none * [test] update tests * [sema] fix indent * [test] fix indent * [test] add more test cases * [test] add even more test cases * [sema] move the check to CSApply * [diag] update diagnostic message * [test] update tests * [test] fix conflicts * [diag] reflow lines * [sema] reindent using spaces * [test] adds new line * [diag] update diagnostic message * [sema] add support for structs as well * [test] add more test cases * [sema] check for enum assoc values * [test] add more test cases * [diag] add fixit notes * [sema] emit fix its * [diag] rename diag names * [sema] fit within 80 char line limit * [sema] use baseUnwrappedType's name directly * [test] adds nested generic enum tests * [test] fix indent * [test] adds fixit check * [test] re-indent some enums * [sema] [csapply] extract code into a separate function * [sema] [csapply] remove redundant vardecl check * [sema] [csapply] reindent * [sema] [csapply] removes extra line * [sema] [csapply] use cantype & check for extension on Optional * [diag] update diagnostic message * [sema] [csapply] fix ident * [test] update tests * [sema] [csapply] fix typo and remove redundant isOptional check * [sema] [csapply] update var name & comments * [sema] [csapply] bring back isOptional check * [test] add expected-note for fix-its * [sema] [csapply] fix a crash * [sema] [csapply] move isOptional check outside * [test] fix indent * [test] fix typo * [sema] [csapply] use baseTyUnwrapped for fixit * [test] fix columns for fixits * [test] update column numbers * [sema] [csapply] move code out of for loop