[Bug tree-optimization/86435] -fsemantic-interposition does not appear to have any effect

fw at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Sun Jul 8 16:05:00 GMT 2018


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86435

--- Comment #4 from Florian Weimer <fw at gcc dot gnu.org> ---
(In reply to Andreas Schwab from comment #3)
> But the assembler is allowed to resolve the reference directly without the
> possibility for interposition.

Hmm.  The assembler would still produce a relocation even if there was a direct
call to a locally defined function.  However, the link editor does not appear
to preserve a PLT call in the main program, preventing interposition at link
time.


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