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Revert "[RuntimeAsync] ilasm/ildasm support for the MethodImpl.Async"#115621

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jkotas merged 1 commit intomainfrom
revert-115332-async2-ilasm
May 15, 2025
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Revert "[RuntimeAsync] ilasm/ildasm support for the MethodImpl.Async"#115621
jkotas merged 1 commit intomainfrom
revert-115332-async2-ilasm

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@jkotas jkotas commented May 15, 2025

Reverts #115332

Copilot AI review requested due to automatic review settings May 15, 2025 16:59
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Pull Request Overview

This PR reverts the previously added support for the async MethodImpl attribute in both ilasm and ildasm, restoring the prior state before #115332.

  • Removes async keyword definition from il_kywd.h
  • Stops emitting async in ildasm output
  • Deletes async parsing rules from the ilasm grammar

Reviewed Changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated no comments.

File Description
src/coreclr/inc/il_kywd.h Removed KYWD("async", ASYNC_, NO_VALUE) entry
src/coreclr/ildasm/dasm.cpp Removed IsMiAsync emission for " async"
src/coreclr/ilasm/prebuilt/asmparse.grammar Removed async from implAttr alternatives
src/coreclr/ilasm/asmparse.y Deleted ASYNC_ token and its grammar branch

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@jkotas jkotas merged commit 80c9f51 into main May 15, 2025
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@jkotas jkotas deleted the revert-115332-async2-ilasm branch May 15, 2025 20:36
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4 participants