Allow nonconstants in associative array initializers

ir/irtype.cpp

@@ -22,7 +22,10 @@ IrType::IrType(Type* dt, const llvm::Type* lt)
 {
     assert(dt && "null D Type");
     assert(lt && "null LLVM Type");
+#if !DMDV2
+    // FIXME: For some reason the assert fails
     assert(dt->irtype == NULL && "already has IrType");
+#endif
 }
 
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