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This makes diagnostics more verbose and accurate, because it's possible to distinguish how many parameters there are based on the message itself. Also there are multiple diagnostic messages in a format of `<descriptive-kind> <decl-name> ...` that get printed as e.g. `subscript 'subscript'` if empty labels are omitted.
15 lines
528 B
Swift
15 lines
528 B
Swift
// RUN: %empty-directory(%t)
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// RUN: %target-swift-frontend -emit-module -parse-stdlib -o %t %S/Inputs/alias_builtin.swift
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// RUN: llvm-bcanalyzer %t/alias_builtin.swiftmodule | %FileCheck %s
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// RUN: %target-swift-frontend -I %t -typecheck %s -verify
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// CHECK-NOT: UnknownCode
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import alias_builtin
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var a : TheBuiltinInt64
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// Check that it really is Builtin.Int64.
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var wrapped = Int64(a) // okay
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var badWrapped = Int32(a) // expected-error{{initializer 'init(_:)' requires that 'TheBuiltinInt64' conform to 'BinaryInteger'}}
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