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0e122544ca
Previously code completion for 'catch' pattern bound values didn't work
correctly because code completion type checker fails to type check the
value decl in the pattern.
That was because the body of the 'do' statement is not type checked, so
the thrown error is not determined, then falled backed to the default
'Never', which doesn't matches any patterns.
To resolve this, always type check the body when typechecking 'catch'
patterns. Also, pretends 'do {}' throws 'any Error' even without
any throwing expressions in the body.
rdar://126699879
193 lines
7.1 KiB
Swift
193 lines
7.1 KiB
Swift
// RUN: %empty-directory(%t/batch-code-completion)
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// RUN: %target-swift-ide-test(mock-sdk: %clang-importer-sdk) -batch-code-completion -source-filename %s -filecheck %raw-FileCheck -completion-output-dir %t/batch-code-completion
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// REQUIRES: objc_interop
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import Foundation // importer SDK
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protocol ErrorPro1 : Error {}
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class Error1 : Error {}
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class Error2 : Error {}
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class Error3 {}
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extension Error3 : Error{}
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enum Error4 : Error {
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case E1
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case E2(Int32)
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}
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class NoneError1 {}
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func getError1() -> Error1 { return Error1() }
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func getNSError() -> NSError { return NSError(domain: "", code: 1, userInfo: [:]) }
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func test001() {
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do {} catch #^CATCH1^#
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// CATCH1-DAG: Decl[Enum]/CurrModule/TypeRelation[Convertible]: Error4[#Error4#]; name=Error4{{$}}
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// CATCH1-DAG: Decl[Class]/CurrModule/TypeRelation[Convertible]: Error3[#Error3#]; name=Error3{{$}}
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// CATCH1-DAG: Decl[Class]/CurrModule/TypeRelation[Convertible]: Error2[#Error2#]; name=Error2{{$}}
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// CATCH1-DAG: Decl[Class]/CurrModule/TypeRelation[Convertible]: Error1[#Error1#]; name=Error1{{$}}
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// CATCH1-DAG: Keyword[let]/None: let{{; name=.+$}}
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// CATCH1-DAG: Decl[Class]/CurrModule: NoneError1[#NoneError1#]; name=NoneError1{{$}}
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// CATCH1-DAG: Decl[Class]/OtherModule[Foundation]/IsSystem: NSError[#NSError#]{{; name=.+$}}
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}
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func test002() {
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let text = "NonError"
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let e1 = Error1()
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let e2 = Error2()
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throw #^THROW1?check=THROW1,THROW1-LOCAL^#
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// THROW1-DAG: Decl[Enum]/CurrModule/TypeRelation[Convertible]: Error4[#Error4#]; name=Error4{{$}}
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// THROW1-DAG: Decl[Class]/CurrModule/TypeRelation[Convertible]: Error3[#Error3#]; name=Error3{{$}}
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// THROW1-DAG: Decl[Class]/CurrModule/TypeRelation[Convertible]: Error2[#Error2#]; name=Error2{{$}}
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// THROW1-DAG: Decl[Class]/CurrModule/TypeRelation[Convertible]: Error1[#Error1#]; name=Error1{{$}}
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// THROW1-DAG: Decl[Protocol]/CurrModule/Flair[RareType]/TypeRelation[Convertible]: ErrorPro1[#ErrorPro1#]; name=ErrorPro1{{$}}
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// THROW1-DAG: Decl[FreeFunction]/CurrModule/TypeRelation[Convertible]: getError1()[#Error1#]{{; name=.+$}}
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// THROW1-DAG: Decl[FreeFunction]/CurrModule/TypeRelation[Convertible]: getNSError()[#NSError#]{{; name=.+$}}
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// THROW1-DAG: Decl[Class]/CurrModule: NoneError1[#NoneError1#]; name=NoneError1{{$}}
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// THROW1-LOCAL-DAG: Decl[LocalVar]/Local: text[#String#]; name=text{{$}}
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// THROW1-LOCAL-DAG: Decl[LocalVar]/Local/TypeRelation[Convertible]: e1[#Error1#]; name=e1{{$}}
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// THROW1-LOCAL-DAG: Decl[LocalVar]/Local/TypeRelation[Convertible]: e2[#Error2#]; name=e2{{$}}
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}
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func test003() {
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do {} catch Error4.#^CATCH2^#
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// CATCH2-DAG: Decl[EnumElement]/CurrNominal: E1[#Error4#]{{; name=.+$}}
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// CATCH2-DAG: Decl[EnumElement]/CurrNominal: E2({#Int32#})[#Error4#]{{; name=.+$}}
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}
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func test004() {
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throw Error4.#^THROW2^#
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// THROW2-DAG: Decl[EnumElement]/CurrNominal/TypeRelation[Convertible]: E1[#Error4#]{{; name=.+$}}
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// THROW2-DAG: Decl[EnumElement]/CurrNominal/TypeRelation[Convertible]: E2({#Int32#})[#Error4#]{{; name=.+$}}
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}
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func test005() {
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do {} catch Error4.E2#^CATCH3^#
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// CATCH3-DAG: Pattern/CurrModule/Flair[ArgLabels]: ({#Int32#})[#Error4#]{{; name=.+$}}
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}
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func testInvalid() {
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try throw Error4.#^THROW3^#
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// THROW3-DAG: Decl[EnumElement]/CurrNominal/TypeRelation[Convertible]: E1[#Error4#]{{; name=.+$}}
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// THROW3-DAG: Decl[EnumElement]/CurrNominal/TypeRelation[Convertible]: E2({#Int32#})[#Error4#]{{; name=.+$}}
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}
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//===--- Top-level throw/catch
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do {} catch #^TOP_LEVEL_CATCH1?check=CATCH1^# {}
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throw #^TOP_LEVEL_THROW1?check=THROW1^#
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do {} catch Error4.#^TOP_LEVEL_CATCH2?check=CATCH2^# {}
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throw Error4.#^TOP_LEVEL_THROW2?check=THROW2^#
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try throw Error4.#^TOP_LEVEL_THROW3?check=THROW3^#
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//===--- Inside catch body
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// Statement-level code completions. This isn't exhaustive.
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// STMT-DAG: Keyword[if]/None: if; name=if
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// STMT-DAG: Decl[Class]/CurrModule: Error1[#Error1#]; name=Error1
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// STMT-DAG: Decl[Class]/CurrModule: Error2[#Error2#]; name=Error2
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// STMT-DAG: Decl[FreeFunction]/CurrModule: getError1()[#Error1#]; name=getError1()
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// STMT-DAG: Decl[FreeFunction]/CurrModule: getNSError()[#NSError#]; name=getNSError()
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func test006() {
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do {
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} catch {
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#^INSIDE_CATCH1?check=STMT,IMPLICIT_ERROR^#
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}
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// IMPLICIT_ERROR-DAG: Decl[LocalVar]/Local: error[#any Error#]; name=error
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}
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func test007() {
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do {
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} catch let e {
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#^INSIDE_CATCH2?check=STMT,EXPLICIT_ERROR_E^#
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}
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// EXPLICIT_ERROR_E-DAG: Decl[LocalVar]/Local: e[#any Error#]; name=e
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}
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func test008() {
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do {
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} catch let e as NSError {
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#^INSIDE_CATCH3?check=STMT,EXPLICIT_NSERROR_E^#
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}
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// EXPLICIT_NSERROR_E-DAG: Decl[LocalVar]/Local: e[#NSError#]; name=e
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}
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func test009() {
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do {
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} catch Error4.E2(let i) {
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#^INSIDE_CATCH4?check=STMT,EXPLICIT_ERROR_PAYLOAD_I^#
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}
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// FIXME: we're getting parentheses around the type when it's unnamed...
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// EXPLICIT_ERROR_PAYLOAD_I-DAG: Decl[LocalVar]/Local: i[#(Int32)#]; name=i
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}
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func test010() {
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do {
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} catch let awesomeError {
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} catch let e {
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#^INSIDE_CATCH5?check=STMT,EXPLICIT_ERROR_E;check=NO_ERROR_AND_A^#
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} catch {}
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// NO_ERROR_AND_A-NOT: awesomeError
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// NO_ERROR_AND_A-NOT: Decl[LocalVar]/Local: error
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}
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func test011() {
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do {
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} catch let awesomeError {
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} catch let excellentError {
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} catch {}
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#^INSIDE_CATCH6?check=STMT;check=NO_ERROR_AND_A,NO_E^#
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// NO_E-NOT: excellentError
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}
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func test012() {
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do {
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} catch {
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error.#^INSIDE_CATCH_ERR_DOT1?check=ERROR_DOT^#
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}
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}
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// ERROR_DOT-DAG: Keyword[self]/CurrNominal: self[#any Error#]; name=self
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func test013() {
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do {
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} catch let e {
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e.#^INSIDE_CATCH_ERR_DOT2?check=ERROR_DOT^#
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}
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}
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func test014() {
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do {
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} catch let e as NSError {
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e.#^INSIDE_CATCH_ERR_DOT3?check=NSERROR_DOT^#
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}
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// NSERROR_DOT-DAG: Decl[InstanceVar]/CurrNominal/IsSystem: domain[#String#]; name=domain
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// NSERROR_DOT-DAG: Decl[InstanceVar]/CurrNominal/IsSystem: code[#Int#]; name=code
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// NSERROR_DOT-DAG: Decl[InstanceVar]/Super: hashValue[#Int#]; name=hashValue
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// NSERROR_DOT-DAG: Decl[InstanceMethod]/Super/IsSystem: myClass()[#AnyClass!#]; name=myClass()
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// NSERROR_DOT-DAG: Decl[InstanceMethod]/Super/IsSystem: isEqual({#(other): NSObject!#})[#Bool#]; name=isEqual(:)
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// NSERROR_DOT-DAG: Decl[InstanceVar]/Super/IsSystem: hash[#Int#]; name=hash
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// NSERROR_DOT-DAG: Decl[InstanceVar]/Super/IsSystem: description[#String#]; name=description
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}
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func test015() {
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do {
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} catch Error4.E2(let i) where i == 2 {
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i.#^INSIDE_CATCH_ERR_DOT4?check=INT_DOT^#
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}
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}
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// Check that we can complete on the bound value; Not exhaustive..
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// INT_DOT-DAG: Decl[InstanceVar]/Super/IsSystem: bigEndian[#(Int32)#]; name=bigEndian
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// INT_DOT-DAG: Decl[InstanceVar]/Super/IsSystem: littleEndian[#(Int32)#]; name=littleEndian
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//===--- Inside catch body top-level
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do {
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} catch {
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#^TOP_LEVEL_INSIDE_CATCH1?check=STMT,IMPLICIT_ERROR^#
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}
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do {
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} catch {
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error.#^TOP_LEVEL_INSIDE_CATCH_ERR_DOT1?check=ERROR_DOT^#
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}
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func canThrowError4() throws(Error4) {}
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func test016() {
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do {
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try canThrowError4()
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} catch .E2(let i) {
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i.#^INSIDE_CATCH_TYPEDERR_DOT?check=INT_DOT^#
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}
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}
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