[hir] Check if defined before looking up ValueKind

This handles globals now without throwing

compiler/forget/src/Inference/InferReferenceEffects.ts

@@ -851,7 +851,9 @@ export function parseHookCall(place: Place): Hook | null {
 
 function hasContextRefOperand(env: Environment, instrValue: InstructionValue) {
   for (const place of eachInstructionValueOperand(instrValue)) {
-    if (env.kind(place) === ValueKind.Context) return true;
+    if (env.isDefined(place) && env.kind(place) === ValueKind.Context) {
+      return true;
+    }
   }
   return false;
 }

compiler/forget/src/__tests__/fixtures/hir/destructure-capture-global.expect.md

@@ -0,0 +1,32 @@
+
+## Input
+
+```javascript
+let someGlobal = {};
+function component(a) {
+  let x = { a, someGlobal };
+  return x;
+}
+
+```
+
+## Code
+
+```javascript
+let someGlobal = {};
+function component(a) {
+  const $ = React.unstable_useMemoCache();
+  const c_0 = $[0] !== a;
+  let x;
+  if (c_0) {
+    x = { a: a, someGlobal: someGlobal };
+    $[0] = a;
+    $[1] = x;
+  } else {
+    x = $[1];
+  }
+  return x;
+}
+
+```
+      

compiler/forget/src/__tests__/fixtures/hir/destructure-capture-global.js

@@ -0,0 +1,5 @@
+let someGlobal = {};
+function component(a) {
+  let x = { a, someGlobal };
+  return x;
+}