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[svn r334] Produce an error for zero-size types instead of segfaulting.

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This commit is contained in:
Christian Kamm
2008-06-29 22:22:37 +02:00
parent ff52c70e1d
commit 7d4ea30633
1 changed files with 5 additions and 0 deletions
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5
gen/toir.cpp
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@@ -72,6 +72,11 @@ DValue* DeclarationExp::toElem(IRState* p)
else {
// allocate storage on the stack
const LLType* lltype = DtoType(vd->type);
if(gTargetData->getTypeSizeInBits(lltype) == 0)
{
error("Allocating a variable of type %s and size zero is not implemented. (the behaviour of alloca with zero size is undefined)", vd->type->toChars());
fatal();
}
llvm::AllocaInst* allocainst = new llvm::AllocaInst(lltype, vd->toChars(), p->topallocapoint());
//allocainst->setAlignment(vd->type->alignsize()); // TODO
assert(!vd->ir.irLocal);