fix(gnovm): forbid star expression when value is not a pointer (#2984)

closes: #1088 
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pull request. -->

<details><summary>Contributors' checklist...</summary>

- [ ] Added new tests, or not needed, or not feasible
- [ ] Provided an example (e.g. screenshot) to aid review or the PR is
self-explanatory
- [ ] Updated the official documentation or not needed
- [ ] No breaking changes were made, or a `BREAKING CHANGE: xxx` message
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- [ ] Provided any useful hints for running manual tests
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Author: omarsy

Diff for: gnovm/pkg/gnolang/preprocess.go

@@ -1757,7 +1757,12 @@ func preprocess1(store Store, ctx BlockNode, n Node) Node {
 			case *KeyValueExpr:
 				// NOTE: For simplicity we just
 				// use the *CompositeLitExpr.
-
+			// TRANS_LEAVE -----------------------
+			case *StarExpr:
+				xt := evalStaticTypeOf(store, last, n.X)
+				if xt.Kind() != PointerKind && xt.Kind() != TypeKind {
+					panic(fmt.Sprintf("invalid operation: cannot indirect %s (variable of type %s)", n.X.String(), xt.String()))
+				}
 			// TRANS_LEAVE -----------------------
 			case *SelectorExpr:
 				xt := evalStaticTypeOf(store, last, n.X)

Diff for: gnovm/tests/files/ptr9.gno

@@ -0,0 +1,9 @@
+package main
+
+func main() {
+	v := 1
+	println(*v)
+}
+
+// Error:
+// main/files/ptr9.gno:5:10: invalid operation: cannot indirect v<VPBlock(1,0)> (variable of type int)