[compiler] Avoid empty switch cases (#33625)

Small cosmetic win, found this when i was looking at some code
internally with lots of cases that all share the same logic. Previously,
all the but last one would have an empty block.

---
[//]: # (BEGIN SAPLING FOOTER)
Stack created with [Sapling](https://sapling-scm.com). Best reviewed
with [ReviewStack](https://reviewstack.dev/facebook/react/pull/33625).
* #33643
* #33642
* #33640
* __->__ #33625
* #33624

DiffTrain build for [e130c08](e130c08)

Author: josephsavona

compiled/eslint-plugin-react-hooks/index.js

@@ -43992,12 +43992,9 @@ function codegenFunction(fn, { uniqueIdentifiers, fbtOperands, }) {
 }
 function codegenReactiveFunction(cx, fn) {
     for (const param of fn.params) {
-        if (param.kind === 'Identifier') {
-            cx.temp.set(param.identifier.declarationId, null);
-        }
-        else {
-            cx.temp.set(param.place.identifier.declarationId, null);
-        }
+        const place = param.kind === 'Identifier' ? param : param.place;
+        cx.temp.set(place.identifier.declarationId, null);
+        cx.declare(place.identifier);
     }
     const params = fn.params.map(param => convertParameter(param));
     const body = codegenBlock(cx, fn.body);
@@ -44549,7 +44546,7 @@ function codegenTerminal(cx, terminal) {
                     ? codegenPlaceToExpression(cx, case_.test)
                     : null;
                 const block = codegenBlock(cx, case_.block);
-                return libExports$1.switchCase(test, [block]);
+                return libExports$1.switchCase(test, block.body.length === 0 ? [] : [block]);
             }));
         }
         case 'throw': {
@@ -45628,6 +45625,10 @@ function compareScopeDeclaration(a, b) {
 
 function extractScopeDeclarationsFromDestructuring(fn) {
     const state = new State$1(fn.env);
+    for (const param of fn.params) {
+        const place = param.kind === 'Identifier' ? param : param.place;
+        state.declared.add(place.identifier.declarationId);
+    }
     visitReactiveFunction(fn, new Visitor$9(), state);
 }
 let State$1 = class State {

compiled/facebook-www/REVISION

@@ -1 +1 @@
-cee7939b0017ff58230e19663c22393bfd9025ef
+e130c08b06470b5fc4ec8095310d19e782924427

compiled/facebook-www/REVISION_TRANSFORMS

@@ -1 +1 @@
-cee7939b0017ff58230e19663c22393bfd9025ef
+e130c08b06470b5fc4ec8095310d19e782924427

compiled/facebook-www/React-dev.classic.js

@@ -1479,7 +1479,7 @@ __DEV__ &&
     exports.useTransition = function () {
       return resolveDispatcher().useTransition();
     };
-    exports.version = "19.2.0-www-classic-cee7939b-20250625";
+    exports.version = "19.2.0-www-classic-e130c08b-20250625";
     "undefined" !== typeof __REACT_DEVTOOLS_GLOBAL_HOOK__ &&
       "function" ===
         typeof __REACT_DEVTOOLS_GLOBAL_HOOK__.registerInternalModuleStop &&

compiled/facebook-www/React-dev.modern.js

@@ -1479,7 +1479,7 @@ __DEV__ &&
     exports.useTransition = function () {
       return resolveDispatcher().useTransition();
     };
-    exports.version = "19.2.0-www-modern-cee7939b-20250625";
+    exports.version = "19.2.0-www-modern-e130c08b-20250625";
     "undefined" !== typeof __REACT_DEVTOOLS_GLOBAL_HOOK__ &&
       "function" ===
         typeof __REACT_DEVTOOLS_GLOBAL_HOOK__.registerInternalModuleStop &&

compiled/facebook-www/React-prod.classic.js

@@ -630,4 +630,4 @@ exports.useSyncExternalStore = function (
 exports.useTransition = function () {
   return ReactSharedInternals.H.useTransition();
 };
-exports.version = "19.2.0-www-classic-cee7939b-20250625";
+exports.version = "19.2.0-www-classic-e130c08b-20250625";

compiled/facebook-www/React-prod.modern.js

@@ -630,4 +630,4 @@ exports.useSyncExternalStore = function (
 exports.useTransition = function () {
   return ReactSharedInternals.H.useTransition();
 };
-exports.version = "19.2.0-www-modern-cee7939b-20250625";
+exports.version = "19.2.0-www-modern-e130c08b-20250625";

compiled/facebook-www/React-profiling.classic.js

@@ -634,7 +634,7 @@ exports.useSyncExternalStore = function (
 exports.useTransition = function () {
   return ReactSharedInternals.H.useTransition();
 };
-exports.version = "19.2.0-www-classic-cee7939b-20250625";
+exports.version = "19.2.0-www-classic-e130c08b-20250625";
 "undefined" !== typeof __REACT_DEVTOOLS_GLOBAL_HOOK__ &&
   "function" ===
     typeof __REACT_DEVTOOLS_GLOBAL_HOOK__.registerInternalModuleStop &&

compiled/facebook-www/React-profiling.modern.js

@@ -634,7 +634,7 @@ exports.useSyncExternalStore = function (
 exports.useTransition = function () {
   return ReactSharedInternals.H.useTransition();
 };
-exports.version = "19.2.0-www-modern-cee7939b-20250625";
+exports.version = "19.2.0-www-modern-e130c08b-20250625";
 "undefined" !== typeof __REACT_DEVTOOLS_GLOBAL_HOOK__ &&
   "function" ===
     typeof __REACT_DEVTOOLS_GLOBAL_HOOK__.registerInternalModuleStop &&

compiled/facebook-www/ReactART-dev.classic.js

@@ -19073,10 +19073,10 @@ __DEV__ &&
     (function () {
       var internals = {
         bundleType: 1,
-        version: "19.2.0-www-classic-cee7939b-20250625",
+        version: "19.2.0-www-classic-e130c08b-20250625",
         rendererPackageName: "react-art",
         currentDispatcherRef: ReactSharedInternals,
-        reconcilerVersion: "19.2.0-www-classic-cee7939b-20250625"
+        reconcilerVersion: "19.2.0-www-classic-e130c08b-20250625"
       };
       internals.overrideHookState = overrideHookState;
       internals.overrideHookStateDeletePath = overrideHookStateDeletePath;
@@ -19110,7 +19110,7 @@ __DEV__ &&
     exports.Shape = Shape;
     exports.Surface = Surface;
     exports.Text = Text;
-    exports.version = "19.2.0-www-classic-cee7939b-20250625";
+    exports.version = "19.2.0-www-classic-e130c08b-20250625";
     "undefined" !== typeof __REACT_DEVTOOLS_GLOBAL_HOOK__ &&
       "function" ===
         typeof __REACT_DEVTOOLS_GLOBAL_HOOK__.registerInternalModuleStop &&