[clang] [compiler-rt] [Sanitizer] add signed-integer-wrap sanitizer (PR #80089)

[Nick Desaulniers via cfe-commits]

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@@ -3554,12 +3572,20 @@ Value *ScalarExprEmitter::EmitOverflowCheckedBinOp(const BinOpInfo &Ops) {
   const std::string *handlerName =
     &CGF.getLangOpts().OverflowHandler;
   if (handlerName->empty()) {
-    // If the signed-integer-overflow sanitizer is enabled, emit a call to its
-    // runtime. Otherwise, this is a -ftrapv check, so just emit a trap.
-    if (!isSigned || CGF.SanOpts.has(SanitizerKind::SignedIntegerOverflow)) {
+    // If the signed-integer-overflow or signed-integer-wrap sanitizer is
+    // enabled, emit a call to its runtime. Otherwise, this is a -ftrapv check,
+    // so just emit a trap.
+    if (!isSigned || CGF.SanOpts.has(SanitizerKind::SignedIntegerOverflow) ||
+        CGF.SanOpts.has(SanitizerKind::SignedIntegerWrap)) {
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nickdesaulniers wrote:

Should you be using `hasOneOf` here rather than `||`?

https://github.com/llvm/llvm-project/pull/80089