MaskRay added a comment.

In https://reviews.llvm.org/D54805#1305749, @pcc wrote:

> Unfortunately it looks like the Android NDK uses some ancient version of gold 
> that doesn't support `--push-state`, so we probably can't rely on being able 
> to use it.
>  
> http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux-android/builds/17287/steps/run%20lit%20tests%20%5Bi686%2Ffugu-userdebug%2FN2G48C%5D/logs/stdio
>  As an alternative solution, could we add these flags at the start of the 
> linker command line? That way, we're guaranteed that the linker will be in 
> the `--no-as-needed` state.


`gold --push-state` seems a new thing. It is available since Dec 2016 (version 
1.14)

I'm also interested in the history of

  // Force linking against the system libraries sanitizers depends on
  // (see PR15823 why this is necessary).
  CmdArgs.push_back("--no-as-needed");

PR15823 leans slightly to the user-error side to me. Shouldn't the user ensure 
the use of `-Wl,--as-needed` is eventually closed so that system libraries 
start with the `-Wl--no-as-needed` state?


Repository:
  rC Clang

https://reviews.llvm.org/D54805



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