Merge ef9772bd8d into e046e3cdbf

CHANGELOG

@@ -4,6 +4,11 @@ List of major changes and improvements between releases
 
 Yosys 0.53 .. Yosys 0.54-dev
 --------------------------
+ * Verilog
+    - Fixed an issue that prevented using `{<expr>}` or `$unsigned(<expr>)` for
+      certain signed expressions in port connections
+    - Fixed an issue that prevented writing to a memory word via a concatenation
+      in an output port connection
 
 Yosys 0.52 .. Yosys 0.53
 --------------------------