[Issue 879] support for --gc-sections

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=879

--- Comment #9 from Martin Nowak <code at dawg.eu> ---
It should be possible to put the EH tables and ModuleInfos into section groups,
so the linker wouldn't dismiss them even though they aren't referenced
explicitly.
http://docs.oracle.com/cd/E19683-01/816-1386/chapter7-26/index.html

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