[clang] [clang][Interp] Implement integral->complex casts (PR #75590)

[via cfe-commits]

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@@ -283,6 +283,28 @@ bool ByteCodeExprGen<Emitter>::VisitCastExpr(const CastExpr *CE) {
   case CK_ToVoid:
     return discard(SubExpr);
 
+  case CK_IntegralRealToComplex:
+  case CK_FloatingRealToComplex: {
+    // We're creating a complex value here, so need to
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cor3ntin wrote:

```suggestion
    // We're creating a complex value here, so we need to
```

https://github.com/llvm/llvm-project/pull/75590