[clang] Sanitizer: Support -fwrapv with -fsanitize=signed-integer-overflow (PR #82432)

[Vitaly Buka via cfe-commits]

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@@ -723,7 +723,9 @@ class ScalarExprEmitter
     if (Ops.Ty->isSignedIntegerOrEnumerationType()) {
       switch (CGF.getLangOpts().getSignedOverflowBehavior()) {
       case LangOptions::SOB_Defined:
-        return Builder.CreateMul(Ops.LHS, Ops.RHS, "mul");
+        if (!CGF.SanOpts.has(SanitizerKind::SignedIntegerOverflow))
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vitalybuka wrote:

not the same

https://github.com/llvm/llvm-project/pull/82432
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