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Do not memcpy with same source and destination.

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This can happen for sret_args. Drop the assignment in this case.
This commit is contained in:
kai
2013-05-10 12:59:14 +02:00
parent 251607a1df
commit 522c06ff7f
2 changed files with 4 additions and 1 deletions
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3
gen/statements.cpp
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@@ -82,7 +82,8 @@ void ReturnStatement::toIR(IRState* p)
DValue* rvar = new DVarValue(f->type->next, f->decl->ir.irFunc->retArg);
DValue* e = exp->toElemDtor(p);
// store return value
DtoAssign(loc, rvar, e);
if (rvar->getLVal() != e->getRVal())
DtoAssign(loc, rvar, e);
// call postblit if necessary
if (!p->func()->type->isref && !(f->decl->nrvo_can && f->decl->nrvo_var))