RFC/PATCH: ld falsely issues .gnu.warning message for unreferenced dynamic symbols

[Grigory Zagorodnev]

Grigory Zagorodnev wrote:
> Conditions:
> Main executable is linked against two dynamic libraries libcall.so and 
> libstub.so. First library (libcall.so) is linked against third dynamic 
> library liberal.so. Two of these libraries, libstub and libreal, define 
> symbol "func2". Neither executable nor any shared library reference this 
> symbol.

Definitely the test-case could be smaller: one executable, linked 
against two dynamic libraries those define same symbol, while the first 
one supplies the symbol with a warning message in .gnu.warning section.

- Grigory