[llvm-bugs] [Bug 24648] -fvisibility=hidden and -fvisibility-inlines-hidden being ignored

[via llvm-bugs]

https://llvm.org/bugs/show_bug.cgi?id=24648

Rachel Mant <dx-mon at users.sourceforge.net> changed:

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

--- Comment #8 from Rachel Mant <dx-mon at users.sourceforge.net> ---
I've been re-examining, including testing that GCC 5.1.0 does the right thing
even with -O0 (it does, expected result ensues). This is entirely about
inlining (implied and explicit). The following are my findings based on the
standard:

This is two bugs in one.
Your linker is failing to apply the rules on return type overloads correctly
(it is an error, not no diagnostic).

A function defined entirely inside a class/struct/union definition, whether
it's a member function or a non-member friend function, is always inline. Which
is exactly what I've done.

If you say inline explicitly, Clang does the right thing. If you do not
implied-inline should be applied but Clang fails to. This is true regardless of
optimisation level.

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