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https://github.com/carbon-language/carbon-lang.git
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Richard Smith
e0b8728263
Use a level comparison during substitution to determine whether we're substituting a particular binding. Evaluate symbolic bindings with the same name and the same level to the same symbolic constant, for example across redeclarations of a generic function.
31 lines
1.1 KiB
Plaintext
31 lines
1.1 KiB
Plaintext
// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
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// Exceptions. See /LICENSE for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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// AUTOUPDATE
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interface I {
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// CHECK:STDERR: fail_assoc_const_not_binding.carbon:[[@LINE+3]]:3: ERROR: Semantics TODO: `tuple pattern in let`.
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// CHECK:STDERR: let (T:! type, U:! type);
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// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~
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let (T:! type, U:! type);
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}
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// CHECK:STDOUT: --- fail_assoc_const_not_binding.carbon
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// CHECK:STDOUT:
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// CHECK:STDOUT: constants {
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// CHECK:STDOUT: %.1: type = interface_type @I [template]
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// CHECK:STDOUT: %Self: I = bind_symbolic_name Self 0 [symbolic]
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// CHECK:STDOUT: %T: type = bind_symbolic_name T 1 [symbolic]
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// CHECK:STDOUT: %U: type = bind_symbolic_name U 2 [symbolic]
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: file {}
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// CHECK:STDOUT:
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// CHECK:STDOUT: interface @I {
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// CHECK:STDOUT: !members:
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// CHECK:STDOUT: .Self = <unexpected instref inst+4>
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// CHECK:STDOUT: witness = invalid
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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