[clang] [CIR] Upstream ComplexType builtin_complex (PR #144225)

[Andy Kaylor via cfe-commits]

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@@ -44,6 +68,15 @@ void ComplexExprEmitter::emitStoreOfComplex(mlir::Location loc, mlir::Value val,
   builder.createStore(loc, val, destAddr);
 }
 
+mlir::Value ComplexExprEmitter::VisitCallExpr(const CallExpr *e) {
+  if (e->getCallReturnType(cgf.getContext())->isReferenceType())
+    return emitLoadOfLValue(e);
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andykaylor wrote:

Do you know what sort of source construct gets us here? A test case for this would be useful.

https://github.com/llvm/llvm-project/pull/144225