[hir] Clone babel nodes rather than reusing them

There's state such as scope info sticking on to these nodes so reusing them can 
cause issues if a pass later on just uses scopes these directly.

compiler/forget/src/ReactiveScopes/CodegenReactiveFunction.ts

@@ -895,7 +895,7 @@ function codegenInstructionValue(
       break;
     }
     case "FunctionExpression": {
-      value = instrValue.expr;
+      value = t.cloneNode(instrValue.expr, true, true);
       break;
     }
     case "TaggedTemplateExpression": {

compiler/forget/src/__tests__/fixtures/compiler/_bug.capturing-reference-changes-type.expect.md

@@ -23,6 +23,7 @@ function component(a) {
   (function () {
     y = x;
   })();
+
   mutate(1);
   return 1;
 }

compiler/forget/src/__tests__/fixtures/compiler/_bug.lambda-reassign-primitive.expect.md

@@ -31,6 +31,7 @@ function Component() {
   const fn = function () {
     x = x + 1;
   };
+
   fn();
   return 40;
 }

compiler/forget/src/__tests__/fixtures/compiler/_bug.lambda-reassign-shadowed-primitive.expect.md

@@ -34,6 +34,7 @@ function Component() {
   const fn = function () {
     x_0 = 42;
   };
+
   fn();
   return x;
 }

compiler/forget/src/__tests__/fixtures/compiler/capture-param-mutate.expect.md

@@ -58,9 +58,7 @@ function getNativeLogFunction(level) {
       } else {
         str = Array.prototype.map
           .call(arguments, function (arg) {
-            return inspect(arg, {
-              depth: 10,
-            });
+            return inspect(arg, { depth: 10 });
           })
           .join(", ");
       }

compiler/forget/src/__tests__/fixtures/compiler/capturing-fun-alias-captured-mutate-2.expect.md

@@ -33,6 +33,7 @@ function component(foo, bar) {
       let b = x;
       a.x = b;
     })();
+
     mutate(y);
     $[0] = foo;
     $[1] = bar;

compiler/forget/src/__tests__/fixtures/compiler/capturing-fun-alias-captured-mutate-arr-2.expect.md

@@ -33,6 +33,7 @@ function component(foo, bar) {
       let b = x;
       a.x = b;
     })();
+
     mutate(y);
     $[0] = foo;
     $[1] = bar;

compiler/forget/src/__tests__/fixtures/compiler/capturing-func-alias-captured-mutate-arr.expect.md

@@ -33,6 +33,7 @@ function component(foo, bar) {
       let b = x;
       a.x = b;
     })();
+
     mutate(y);
     $[0] = foo;
     $[1] = bar;

compiler/forget/src/__tests__/fixtures/compiler/capturing-func-alias-captured-mutate.expect.md

@@ -33,6 +33,7 @@ function component(foo, bar) {
       let b = x;
       a.x = b;
     })();
+
     mutate(y);
     $[0] = foo;
     $[1] = bar;

compiler/forget/src/__tests__/fixtures/compiler/capturing-func-alias-computed-mutate.expect.md

@@ -28,6 +28,7 @@ function component(a) {
     (function () {
       y["x"] = x;
     })();
+
     mutate(y);
     $[0] = a;
     $[1] = y;

compiler/forget/src/__tests__/fixtures/compiler/capturing-func-alias-mutate.expect.md

@@ -28,6 +28,7 @@ function component(a) {
     (function () {
       y.x = x;
     })();
+
     mutate(y);
     $[0] = a;
     $[1] = y;

compiler/forget/src/__tests__/fixtures/compiler/capturing-func-alias-receiver-computed-mutate.expect.md

@@ -30,6 +30,7 @@ function component(a) {
       let a_0 = y;
       a_0["x"] = x;
     })();
+
     mutate(y);
     $[0] = a;
     $[1] = y;

compiler/forget/src/__tests__/fixtures/compiler/capturing-func-alias-receiver-mutate.expect.md

@@ -30,6 +30,7 @@ function component(a) {
       let a_0 = y;
       a_0.x = x;
     })();
+
     mutate(y);
     $[0] = a;
     $[1] = y;

compiler/forget/src/__tests__/fixtures/compiler/capturing-func-mutate-2.expect.md

@@ -40,6 +40,7 @@ function component(a, b) {
       z.a = 2;
       y.b;
     };
+
     x();
     $[2] = a;
     $[3] = y.b;

compiler/forget/src/__tests__/fixtures/compiler/capturing-func-mutate-nested.expect.md

@@ -26,6 +26,7 @@ function component(a) {
     x = function () {
       y.b.a = 2;
     };
+
     x();
     $[0] = a;
     $[1] = x;

compiler/forget/src/__tests__/fixtures/compiler/capturing-func-mutate.expect.md

@@ -40,6 +40,7 @@ function component(a, b) {
       z.a = 2;
       y.b;
     };
+
     x();
     $[0] = a;
     $[1] = b;

compiler/forget/src/__tests__/fixtures/compiler/capturing-func-simple-alias.expect.md

@@ -28,6 +28,7 @@ function component(a) {
     (function () {
       y = x;
     })();
+
     mutate(y);
     $[0] = a;
     $[1] = y;

compiler/forget/src/__tests__/fixtures/compiler/capturing-function-capture-ref-before-rename.expect.md

@@ -37,6 +37,7 @@ function component(a, b) {
   } else {
     z = $[1];
   }
+
   let y = z;
   const c_2 = $[2] !== b;
   let t0;

compiler/forget/src/__tests__/fixtures/compiler/capturing-function-decl.expect.md

@@ -26,6 +26,7 @@ function component(a) {
     const x = function x() {
       t.foo();
     };
+
     x(t);
     $[0] = a;
     $[1] = t;

compiler/forget/src/__tests__/fixtures/compiler/function-declaration-simple.expect.md

@@ -33,6 +33,7 @@ function component(a) {
       t0 = $[2];
     }
     const x = t0;
+
     x(t);
     $[0] = a;
     $[1] = t;

compiler/forget/src/__tests__/fixtures/compiler/lambda-capture-returned-alias.expect.md

@@ -54,6 +54,7 @@ function CaptureNotMutate(props) {
       const arr = { element };
       return arr[idx];
     };
+
     aliasedElement = fn();
     mutate(aliasedElement);
     $[2] = props.el;

compiler/forget/src/__tests__/fixtures/compiler/lambda-mutate-shadowed-object.expect.md

@@ -35,6 +35,7 @@ function Component() {
   const fn = function () {
     mutate(x_0);
   };
+
   fn();
   return x;
 }