[hir] Check for globals while lowering UpdateExpression

lowerIdentifierForAssignment does extra checks such as checking if globals are 
lvalues. 

UpdateExpression lowers into an assignment and previously we missed out on such 
checks.

compiler/forget/packages/babel-plugin-react-forget/src/HIR/BuildHIR.ts

@@ -1790,10 +1790,15 @@ function lowerExpression(
         builder,
         expr.node.loc ?? GeneratedSource
       );
-      const identifier = lowerIdentifier(
+      const identifier = lowerIdentifierForAssignment(
         builder,
+        argument.node.loc ?? GeneratedSource,
+        InstructionKind.Reassign,
         argument as NodePath<t.Identifier>
       );
+      if (identifier === null) {
+        return { kind: "UnsupportedNode", node: exprNode, loc: exprLoc };
+      }
       builder.push({
         id: makeInstructionId(0),
         lvalue: { ...temp },

compiler/forget/packages/babel-plugin-react-forget/src/__tests__/fixtures/compiler/error.mutate-global-increment-op-invalid-react.expect.md

@@ -0,0 +1,21 @@
+
+## Input
+
+```javascript
+let renderCount = 0;
+
+function NoHooks() {
+  renderCount++;
+  return <div />;
+}
+
+```
+
+
+## Error
+
+```
+[ReactForget] InvalidReact: This reassigns a variable which was not defined inside of the component. Components should be pure and side-effect free. If this variable is used in rendering, use useState instead. (https://react.dev/learn/keeping-components-pure) (4:4)
+```
+          
+      

compiler/forget/packages/babel-plugin-react-forget/src/__tests__/fixtures/compiler/mutate-global-increment-op-invalid-react.expect.md

@@ -1,33 +0,0 @@
-
-## Input
-
-```javascript
-let renderCount = 0;
-
-function NoHooks() {
-  renderCount++;
-  return <div />;
-}
-
-```
-
-## Code
-
-```javascript
-import { unstable_useMemoCache as useMemoCache } from "react";
-let renderCount = 0;
-
-function NoHooks() {
-  const $ = useMemoCache(1);
-  let t0;
-  if ($[0] === Symbol.for("react.memo_cache_sentinel")) {
-    t0 = <div />;
-    $[0] = t0;
-  } else {
-    t0 = $[0];
-  }
-  return t0;
-}
-
-```
-