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author | Adriaan Moors <adriaan.moors@typesafe.com> | 2013-04-02 08:06:31 -0700 |
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committer | Adriaan Moors <adriaan.moors@typesafe.com> | 2013-04-02 08:06:31 -0700 |
commit | c77dd12d8d1041af0b9f79c19a03eb34d34a9327 (patch) | |
tree | ecb17550e07c09acd5db362a3f7ee8b9d4eaacc4 /test/files/pos/t7239.scala | |
parent | 00e6c8b9e395cae3b761b848482bc91c7634ec13 (diff) | |
parent | 51d96a32f1726f5152b1b6ff9a469944c8a77e94 (diff) | |
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Merge pull request #2343 from retronym/topic/merge-2.10.x-to-v2.11.0-M2-74-g00e6c8b
Merge 2.10.x to master
Diffstat (limited to 'test/files/pos/t7239.scala')
-rw-r--r-- | test/files/pos/t7239.scala | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/test/files/pos/t7239.scala b/test/files/pos/t7239.scala new file mode 100644 index 0000000000..16e9d00f17 --- /dev/null +++ b/test/files/pos/t7239.scala @@ -0,0 +1,38 @@ +object Test { + def BrokenMethod(): HasFilter[(Int, String)] = ??? + + trait HasFilter[B] { + def filter(p: B => Boolean) = ??? + } + + trait HasWithFilter { + def withFilter = ??? + } + + object addWithFilter { + trait NoImplicit + implicit def enrich(v: Any) + (implicit F0: NoImplicit): HasWithFilter = ??? + } + + BrokenMethod().withFilter(_ => true) // okay + BrokenMethod().filter(_ => true) // okay + + locally { + import addWithFilter._ + BrokenMethod().withFilter((_: (Int, String)) => true) // okay + } + + locally { + import addWithFilter._ + // adaptToMemberWithArgs sets the type of the tree `x` + // to ErrorType (while in silent mode, so the error is not + // reported. Later, when the fallback from `withFilter` + // to `filter` is attempted, the closure is taken to have + // have the type `<error> => Boolean`, which conforms to + // `(B => Boolean)`. Only later during pickling does the + // defensive check for erroneous types in the tree pick up + // the problem. + BrokenMethod().withFilter(x => true) // erroneous or inaccessible type. + } +} |