__builtin_object_size(ptr, type) returns -1 for type = {0,1} if there are any side-effects.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@92453 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/ExprConstant.cpp b/lib/AST/ExprConstant.cpp
index 06afec7..d49a821 100644
--- a/lib/AST/ExprConstant.cpp
+++ b/lib/AST/ExprConstant.cpp
@@ -989,7 +989,7 @@
// TODO: Perhaps we should let LLVM lower this?
if (E->getArg(0)->HasSideEffects(Info.Ctx)) {
- if (E->getArg(1)->EvaluateAsInt(Info.Ctx).getZExtValue() == 0)
+ if (E->getArg(1)->EvaluateAsInt(Info.Ctx).getZExtValue() <= 1)
return Success(-1ULL, E);
return Success(0, E);
}