Rintaro Ishizaki 7532da4e37 [ConstraintSystem] Remove any semantic expression in SanitizeExpr ...

Existence of semantic expr (`getSemanticExpr()`) prevents ASTWalker
walking into the *original* sub expressions which may cause
re-typechecking failure. For example,
`ConstraintGenerator::visitArrayExpr()` assumes we already visited its
elements, but that's not the case if the semantic expr exists.

rdar://problem/42639255

2018-08-13 20:36:07 +09:00

5.9 KiB

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