Chris Lattner acecd187a3 fix <rdar://problem/21553065> Spurious diagnostic: '_' can only appear in a pattern or on the left side of an assignment ...

... by reimplementing the DiscardAssignmentExpr checker in MiscDiagnostics 
instead of being in CSApply (which gets run on partial expression ASTs).

Also, when type checking and salvaging an expression fails, do not generate 
structural diagnostics in addition to the type checker diagnostics, they are 
just noise.



Swift SVN r29937

2015-07-07 05:52:17 +00:00

107 KiB

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