[CodeComplete] Strip out try and optional eval expo in operator completion #18209
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…lation foldSequence() may hoist these expression up by mutating their sub expression. When completing operators, this behavior ruins reusability of operand. Since these expression doesn't affect completion, we can strip them out. rdar://problem/42452085
benlangmuir
approved these changes
Jul 25, 2018
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foldSequence()may hoist these expression up by mutating their sub expression. When completing operators, this behavior ruins reusability of operand. Since these expression doesn't affect completion, we can strip them out.rdar://problem/42452085
Also, this PR contains follow-up fix for f577578. The same treatment for ternary expression (IfExpr). Plus, fix a regression where infix operator were disappeared from results when leading sequence contains
AssignExpr.