Properly suppress derived type error messages #4438
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Previously, the typechecker suppressed many but not all errors, by suppressing errors where the actual type was either ty_err, or a function type whose result was ty_err. Added a has_ty_err flag to the type flags so as to suppress errors for any types involving ty_err.
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Merged 4209522 |
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r? @nikomatsakis Previously, the typechecker suppressed many but not all errors,
by suppressing errors where the actual type was either ty_err, or
a function type whose result was ty_err. Added a has_ty_err flag
to the type flags so as to suppress errors for any types involving
ty_err.