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https://github.com/carbon-language/carbon-lang.git
synced 2026-10-05 19:51:09 +01:00
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.
45 lines
1.8 KiB
Plaintext
45 lines
1.8 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_bad_default.carbon:[[@LINE+3]]:3: ERROR: Cannot implicitly convert from `i32` to `type`.
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// CHECK:STDERR: let T:! type = 42;
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// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~
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let T:! type = 42;
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}
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// CHECK:STDOUT: --- fail_assoc_const_bad_default.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: %.2: i32 = int_literal 42 [template]
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// CHECK:STDOUT: %.3: type = assoc_entity_type @I, type [template]
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// CHECK:STDOUT: %.4: <associated type in I> = assoc_entity element0, @I.%T [template]
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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: package: <namespace> = namespace [template] {
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// CHECK:STDOUT: .Core = %Core
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// CHECK:STDOUT: .I = %I.decl
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %Core: <namespace> = namespace [template] {}
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// CHECK:STDOUT: %I.decl: type = interface_decl @I [template = constants.%.1] {}
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: interface @I {
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// CHECK:STDOUT: %Self: I = bind_symbolic_name Self 0 [symbolic = constants.%Self]
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// CHECK:STDOUT: %.loc11_18: i32 = int_literal 42 [template = constants.%.2]
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// CHECK:STDOUT: %T: type = assoc_const_decl T [template]
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// CHECK:STDOUT: %.loc11_20: <associated type in I> = assoc_entity element0, %T [template = constants.%.4]
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// CHECK:STDOUT:
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// CHECK:STDOUT: !members:
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// CHECK:STDOUT: .Self = %Self
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// CHECK:STDOUT: .T = %.loc11_20
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// CHECK:STDOUT: witness = (%T)
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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