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fix regression: inline match crash when rhs uses private inlined methods #18595

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merged 1 commit into from
Sep 26, 2023

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kasiaMarek
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resolves: #18589

@@ -38,6 +38,7 @@ class CompilationTests {
compileFilesInDir("tests/pos-custom-args/captures", defaultOptions.and("-language:experimental.captureChecking")),
compileFile("tests/pos-special/utf8encoded.scala", defaultOptions.and("-encoding", "UTF8")),
compileFile("tests/pos-special/utf16encoded.scala", defaultOptions.and("-encoding", "UTF16")),
compileDir("tests/pos-special/i18589", defaultOptions.and("-Ysafe-init").without("-Ycheck:all")),
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@bishabosha bishabosha Sep 25, 2023

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is there a reason for these special flags? maybe a comment would help

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Yeah, basically "-Ycheck-all" option causes this test to fail. But this isn't a regression caused by #18557 it seems to had been this way before. It would be nice to fix it though.

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What's the failure?

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Some positions in the tree are missing.

*** error while checking tests/pos-special/i18589/test_1.scala after phase inlining ***
assertion failed: position not set for NamedCodecPlatform.Builder[Any] # -1
of class dotty.tools.dotc.ast.Trees$TypeTree in tests/pos-special/i18589/test_1.scala

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Fair enough. Looks like it's the TypeTree in the cast in

              val Builder_this: NamedCodecPlatform.Builder[Any] =
                Builder_this.asInstanceOf[NamedCodecPlatform.Builder[Any]]

which is unpositioned. /cc @nicolasstucki

I agree you should just find a way to ignore that. I've not seen .without("-Ycheck:all") being used before, but I'm ok with it.

@dwijnand dwijnand requested a review from bishabosha September 26, 2023 09:51
@bishabosha bishabosha merged commit 63eb5e4 into scala:main Sep 26, 2023
18 checks passed
@Kordyjan Kordyjan added this to the 3.4.0 milestone Dec 20, 2023
WojciechMazur added a commit that referenced this pull request Jun 20, 2024
…lined methods" to LTS (#20621)

Backports #18595 to the LTS branch.

PR submitted by the release tooling.
[skip ci]
WojciechMazur added a commit that referenced this pull request Jun 20, 2024
…lined methods" to LTS (#20678)

Backports #18595 to the LTS branch.

PR submitted by the release tooling.
[skip ci]
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Inlined match crashes when rhs uses private inlined methods
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