[llvm] [Sanitizers] Don't inline unpoisoning of small stacks when inlining disabled (PR #75555)

[Vitaly Buka via llvm-commits]

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@@ -3505,7 +3505,7 @@ void FunctionStackPoisoner::processStaticAllocas() {
       SplitBlockAndInsertIfThenElse(Cmp, Ret, &ThenTerm, &ElseTerm);
 
       IRBuilder<> IRBPoison(ThenTerm);
-      if (StackMallocIdx <= 4) {
+      if (ASan.MaxInlinePoisoningSize != 0 && StackMallocIdx <= 4) {
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vitalybuka wrote:

My comment is about the case when `MaxInlinePoisoningSize > 0`
There is no point in  `copyToShadow` the frame is larger then `MaxInlinePoisoningSize`

https://github.com/llvm/llvm-project/pull/75555