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Fix #125 – Nested class context pointer invalid (D1).

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Patch originally by Alexey Prokhin, thanks.
This commit is contained in:
David Nadlinger 2012-06-24 16:18:47 +02:00
parent 67f12fe8b5
commit cef19fb225
2 changed files with 23 additions and 11 deletions
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19
gen/nested.cpp
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@ -134,11 +134,22 @@ DValue* DtoNestedVariable(Loc loc, Type* astype, VarDeclaration* vd, bool byref)
LLValue* val = irfunc->thisArg;
if (cd->isClassDeclaration())
val = DtoLoad(val);
ctx = DtoLoad(DtoGEPi(val, 0, cd->vthis->ir.irField->index, ".vthis"));
#else
ClassDeclaration* cd = irfunc->decl->isMember2()->isClassDeclaration();
LLValue* val = DtoLoad(irfunc->thisArg);
ctx = DtoGEPi(val, 0, cd->vthis->ir.irField->index, ".vthis");
if (!irfunc->frameType && vd->isThisDeclaration())
{
// If the only "nested" variable is the outer this pointer, we don't
// emit a normal context, but just store the this pointer - see
// GitHub #127.
return new DVarValue(astype, vd, ctx);
}
ctx = DtoLoad(ctx);
#endif
ctx = DtoLoad(DtoGEPi(val, 0,cd->vthis->ir.irField->index, ".vthis"));
}
else if (irfunc->nestedVar) {
ctx = irfunc->nestedVar;
@ -311,12 +322,14 @@ LLValue* DtoNestedContext(Loc loc, Dsymbol* sym)
#if DMDV2
AggregateDeclaration* ad = irfunc->decl->isMember2();
val = ad->isClassDeclaration() ? DtoLoad(irfunc->thisArg) : irfunc->thisArg;
if (!ad || !ad->vthis)
return llvm::UndefValue::get(getVoidPtrType());
#else
ClassDeclaration* ad = irfunc->decl->isMember2()->isClassDeclaration();
val = DtoLoad(irfunc->thisArg);
#endif
if (!ad || !ad->vthis)
return llvm::UndefValue::get(getVoidPtrType());
return val;
#endif
val = DtoLoad(DtoGEPi(val, 0,ad->vthis->ir.irField->index, ".vthis"));
}
else