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[Bug ld/27451] ld: Provide a way to make C identifier name sections GCab


From: i at maskray dot me
Subject: [Bug ld/27451] ld: Provide a way to make C identifier name sections GCable under __start_/__stop_ references
Date: Sat, 27 Feb 2021 20:31:49 +0000

https://sourceware.org/bugzilla/show_bug.cgi?id=27451

--- Comment #2 from Fangrui Song <i at maskray dot me> ---
Patch: https://sourceware.org/pipermail/binutils/2021-February/115557.html

This rule has caused trouble to clang -fprofile-generate and
-fsanitize-coverage.


Other than glibc, my analysis has found some other usage:

* systemd and Swift
(https://lists.llvm.org/pipermail/llvm-dev/2021-February/148682.html)
* Clang's ObjC implementation in GNU environment
(clang/lib/CodeGen/CGObjCGNU.cpp ): This has been taken care of by my
https://reviews.llvm.org/D97448

Hope that at some point we can start to -z start-stop-gc.

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