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Support EII on Windows MSVC#158723

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AsakuraMizu wants to merge 1 commit into
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AsakuraMizu:windows-msvc-eii
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Support EII on Windows MSVC#158723
AsakuraMizu wants to merge 1 commit into
rust-lang:mainfrom
AsakuraMizu:windows-msvc-eii

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@AsakuraMizu

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Tracking issue: #125418

The previous PR #158294 made function EIIs work on Windows MSVC. This PR fixes support for static EIIs, enabling full EII support on Windows MSVC.

The following fixes are included:

  • Keep EII statics out of LLVM internalization
  • Mark EII static symbols as dllimport
  • Emit MSVC __imp_<symbol> stubs for aliases to static data

Note: LLVMAddAlias2 was incorrectly declared in the llvm-wrapper extern block previously.

@rustbot rustbot added A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. labels Jul 3, 2026
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rustbot commented Jul 3, 2026

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r? @adwinwhite

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A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.

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