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compiler: fix difference in aliases in interface methods

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There used to be a difference between `byte` and `uint8` in interface
methods. These are aliases, so they should be treated the same.
This patch introduces a custom serialization format for types,
circumventing the `Type.String()` method that is slightly wrong for our
purposes.

This also fixes an issue with the `any` keyword in Go 1.18, which
suffers from the same problem (but this time actually leads to a crash).
This commit is contained in:
Ayke van Laethem
2022-04-06 21:22:04 +02:00
committed by Ron Evans
parent 7af24c7864
commit c0d257d682
5 changed files with 110 additions and 64 deletions
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compiler/testdata/interface.ll
Vendored
+1 -1
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@@ -128,5 +128,5 @@ declare %runtime._string @"interface:{Error:func:{}{basic:string}}.Error$invoke"
attributes #0 = { nounwind }
attributes #1 = { "tinygo-methods"="reflect/methods.Error() string" }
attributes #2 = { "tinygo-methods"="reflect/methods.String() string" }
attributes #3 = { "tinygo-invoke"="main.$methods.foo(int) byte" "tinygo-methods"="reflect/methods.String() string; main.$methods.foo(int) byte" }
attributes #3 = { "tinygo-invoke"="main.$methods.foo(int) uint8" "tinygo-methods"="reflect/methods.String() string; main.$methods.foo(int) uint8" }
attributes #4 = { "tinygo-invoke"="reflect/methods.Error() string" "tinygo-methods"="reflect/methods.Error() string" }