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Be sure to zero-extend. And refactor. 

llvm-svn: 85140
This commit is contained in:
Mike Stump 2009-10-26 18:57:47 +00:00
parent 0ae1b2961d
commit 99f11f769e
1 changed files with 1 additions and 6 deletions
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7
clang/lib/AST/ExprConstant.cpp
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@ -875,11 +875,6 @@ bool IntExprEvaluator::VisitCallExpr(const CallExpr *E) {
return Error(E->getLocStart(), diag::note_invalid_subexpr_in_ice, E);
case Builtin::BI__builtin_object_size: {
llvm::APSInt Result(32);
if (!E->getArg(1)->isIntegerConstantExpr(Result, Info.Ctx))
assert(0 && "arg2 not ice in __builtin_object_size");
const Expr *Arg = E->getArg(0)->IgnoreParens();
Expr::EvalResult Base;
if (Arg->Evaluate(Base, Info.Ctx)
@ -895,7 +890,7 @@ bool IntExprEvaluator::VisitCallExpr(const CallExpr *E) {
}
if (Base.HasSideEffects) {
if (Result.getSExtValue() < 2)
if (E->getArg(1)->EvaluateAsInt(Info.Ctx).getZExtValue() < 2)
return Success(-1, E);
return Success(0, E);
}