Argyrios Kyrtzidis fc678740db [code-completion] Avoid a tentantive parse when in code-completion mode and make sure CodeCompletionExpr has a token range. ...

The tentantive parse is used for diagnostic purposes but can cause code-completion to delay the same decl twice.
The range of CodeCompletionExpr was previously character range which invalidated invariants of the AST.

Fixes:
	validation-test/IDE/crashers_fixed/084-swift-parser-consumedecl.swift
	validation-test/IDE/crashers_fixed/104-swift-gettypeofcompletioncontextexpr.swift

2016-12-05 17:09:49 -08:00

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