[llvm-bugs] [Bug 32425] Regression with Musl after adding support for outputting to /dev/null

via llvm-bugs llvm-bugs at lists.llvm.org
Mon Jun 12 12:40:14 PDT 2017


Rich Felker <bugdal at aerifal.cx> changed:

           What    |Removed                     |Added
         Resolution|FIXED                       |---
             Status|RESOLVED                    |REOPENED

--- Comment #14 from Rich Felker <bugdal at aerifal.cx> ---
Even with the correct interpretation (semantic, not implementation-detail)
protected still admits efficient calls inside a DSO -- there's no reason to
make calls through the PLT, only expressions that evaluate the address have to
take the [PLT]GOT entry into account.

In any case binutils gets this right, and lld does not. Simply removing the
check (that can be bypassed anyway by giving a fake .so at ld-time and the real
one at runtime) would make the problem go away.

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