================
@@ -4022,8 +4169,36 @@ LValue CodeGenFunction::EmitArraySubscriptExpr(const
ArraySubscriptExpr *E,
ArrayLV = EmitArraySubscriptExpr(ASE, /*Accessed*/ true);
else
ArrayLV = EmitLValue(Array);
+
auto *Idx = EmitIdxAfterBase(/*Promote*/true);
+ if (SanOpts.has(SanitizerKind::ArrayBounds)) {
----------------
efriedma-quic wrote:
In general, emitting an expression twice can miscompile and/or crash the
compiler. I'm not concerned about performance optimizations.
https://github.com/llvm/llvm-project/pull/73730
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