[clang] [Clang] Overflow Pattern Exclusions (PR #100272)

[Justin Stitt via cfe-commits]

================
@@ -2877,6 +2888,17 @@ ScalarExprEmitter::EmitScalarPrePostIncDec(const 
UnaryOperator *E, LValue LV,
   } else if (type->isIntegerType()) {
     QualType promotedType;
     bool canPerformLossyDemotionCheck = false;
+
+    // Is the pattern "while (i--)" and overflow exclusion?
+    bool disableSanitizer =
----------------
JustinStitt wrote:

You're right. I split up the logic into a new method in 
4b3efbb41ff86eeff15671b1d876e1ef6a58a536

https://github.com/llvm/llvm-project/pull/100272
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