[lld] r264094 - Mark SymbolBody::getSymbol as `const`.

[Rui Ueyama via llvm-commits]

This is not a bad change, but I'd appreciate if you write a sentence why
you are making this change in the description.

On Tue, Mar 22, 2016 at 10:04 PM, Sean Silva via llvm-commits <
llvm-commits at lists.llvm.org> wrote:

> Author: silvas
> Date: Tue Mar 22 16:04:03 2016
> New Revision: 264094
>
> URL: http://llvm.org/viewvc/llvm-project?rev=264094&view=rev
> Log:
> Mark SymbolBody::getSymbol as `const`.
>
> Modified:
>     lld/trunk/ELF/Symbols.h
>
> Modified: lld/trunk/ELF/Symbols.h
> URL:
> http://llvm.org/viewvc/llvm-project/lld/trunk/ELF/Symbols.h?rev=264094&r1=264093&r2=264094&view=diff
>
> ==============================================================================
> --- lld/trunk/ELF/Symbols.h (original)
> +++ lld/trunk/ELF/Symbols.h Tue Mar 22 16:04:03 2016
> @@ -106,7 +106,7 @@ public:
>    // you can access P->Backref->Body to get the resolver's result.
>    void setBackref(Symbol *P) { Backref = P; }
>    SymbolBody &repl() { return Backref ? *Backref->Body : *this; }
> -  Symbol *getSymbol() { return Backref; }
> +  Symbol *getSymbol() const { return Backref; }
>
>    // Decides which symbol should "win" in the symbol table, this or
>    // the Other. Returns 1 if this wins, -1 if the Other wins, or 0 if
>
>
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