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Erik Eckstein
b33ddf2df7
If the specialized function is generic, the optimization derived the wrong error type when creating a thunk for the specialized function. Fixes a compiler crash https://github.com/swiftlang/swift/issues/89617 rdar://178484080
18 lines
522 B
Swift
18 lines
522 B
Swift
// RUN: %target-swift-frontend -module-name test -emit-sil -O %s | %FileCheck %s
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public enum MyError<T>: Swift.Error { case fail }
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// Check that function signature opt does not crash when remove the dead argument.
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public func foo<T>(_ x: T) throws(MyError<T>) -> UInt8 {
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throw .fail
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}
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// CHECK-LABEL: sil shared @$s4test3fooys5UInt8VxAA7MyErrorOyxGYKlFTf4d_n : $@convention(thin) <T> () -> (UInt8, @error MyError<T>) {
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public func run<T>(_ x: T) -> UInt8 {
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do {
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return try foo(x)
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} catch {
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return 0
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}
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}
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