Fix typo in cleanup for poisoning code

Penguinwizzard · Penguinwizzard · commit e871f130d100 · 2018-06-29T16:50:45.000-07:00
Causes nullptr AVs, RS5 only.
diff --git a/lib/Backend/Lower.cpp b/lib/Backend/Lower.cpp
@@ -16266,7 +16266,7 @@ Lowerer::GenerateFastElemIIntIndexCommon(
             if (baseValueType.IsLikelyTypedArray())
             {
                 int lengthOffset;
-                lengthOffset = GetArrayOffsetOfHeadSegment(baseValueType);
+                lengthOffset = GetArrayOffsetOfLength(baseValueType);
                 headSegmentLengthOpnd = IR::IndirOpnd::New(arrayOpnd, lengthOffset, TyUint32, m_func);
                 autoReuseHeadSegmentLengthOpnd.Initialize(headSegmentLengthOpnd, m_func);
             }

Original file line number	Diff line number	Diff line change
`@@ -16266,7 +16266,7 @@ Lowerer::GenerateFastElemIIntIndexCommon(`
`16266`	`16266`	`if (baseValueType.IsLikelyTypedArray())`
`16267`	`16267`	`{`
`16268`	`16268`	`int lengthOffset;`
`16269`		`- lengthOffset = GetArrayOffsetOfHeadSegment(baseValueType);`
	`16269`	`+ lengthOffset = GetArrayOffsetOfLength(baseValueType);`
`16270`	`16270`	`headSegmentLengthOpnd = IR::IndirOpnd::New(arrayOpnd, lengthOffset, TyUint32, m_func);`
`16271`	`16271`	`autoReuseHeadSegmentLengthOpnd.Initialize(headSegmentLengthOpnd, m_func);`
`16272`	`16272`	`}`