Properly set storage and memory after erasing potentially destroyed keys

test/libyul/yulOptimizerTests/loadResolver/re_store_memory.yul

@@ -0,0 +1,21 @@
+{
+    let a := 0
+    let b := 1
+    let c := 2
+    mstore(a, b)
+    sstore(0, mload(a))
+    mstore(a, c)
+    sstore(10, mload(a))
+}
+// ====
+// step: loadResolver
+// ----
+// {
+//     let a := 0
+//     let b := 1
+//     let c := 2
+//     mstore(a, b)
+//     sstore(a, b)
+//     mstore(a, c)
+//     sstore(10, c)
+// }

test/libyul/yulOptimizerTests/loadResolver/re_store_storage.yul

@@ -0,0 +1,21 @@
+{
+    let a := 0
+    let b := 1
+    let c := 2
+    sstore(a, b)
+    mstore(0, sload(a))
+    sstore(a, c)
+    mstore(32, sload(a))
+}
+// ====
+// step: loadResolver
+// ----
+// {
+//     let a := 0
+//     let b := 1
+//     let c := 2
+//     sstore(a, b)
+//     mstore(a, b)
+//     sstore(a, c)
+//     mstore(32, c)
+// }