protocol MyView {}

extension MyView {
  func foo<Content>() -> Content? {
// RUN: %sourcekitd-test -req=conformingmethods -pos=%(line + 1):15 %s -- %s
    return nil
  }
}

Assertion failed: (param->getIndex() == count && "Generic parameter index mismatch"), function GenericSignatureImpl, file /Users/alex/swift-src/swift/lib/AST/GenericSignature.cpp, line 67.
PLEASE submit a bug report to https://bugs.llvm.org/ and include the crash backtrace.
Stack dump:
0.  While performing new completion
1.  While evaluating request CodeCompletionSecondPassRequest(source_file "/Users/alex/swift-src/swift/test/SourceKit/ConformingMethods/test.swift", )
2.  While evaluating request AbstractGenericSignatureRequest(NULL, {Content, U}, {})
/Users/alex/swift-src/nbuild/Release+Asserts/tools/swift/test-macosx-x86_64/SourceKit/ConformingMethods/Output/test.swift.script: line 1: 30719 Abort trap: 6           /Users/alex/swift-src/nbuild/Release+Asserts/bin/sourcekitd-test -module-cache-path '/Users/alex/swift-src/nbuild/Release+Asserts/swift-test-results/x86_64-apple-macosx10.9/clang-module-cache' -req=conformingmethods -pos=6:15 /Users/alex/swift-src/swift/test/SourceKit/ConformingMethods/test.swift -- /Users/alex/swift-src/swift/test/SourceKit/ConformingMethods/test.swift