From 739a81958035410ddd9b230354a56c909cc5c816 Mon Sep 17 00:00:00 2001
From: Gaming4JC <g4jc@hyperbola.info>
Date: Sat, 8 Jun 2019 18:54:17 -0400
Subject: 1320408 - Part 2: Change JSFunction::getOrCreateScript to static
 method.

---
 js/src/builtin/RegExp.cpp            |  2 +-
 js/src/builtin/TestingFunctions.cpp  |  4 ++--
 js/src/frontend/BytecodeCompiler.cpp |  3 ++-
 js/src/jit/IonAnalysis.cpp           |  4 ++--
 js/src/jit/IonAnalysis.h             |  2 +-
 js/src/jit/IonBuilder.cpp            |  3 ++-
 js/src/jit/VMFunctions.cpp           |  2 +-
 js/src/jsapi-tests/testUbiNode.cpp   |  2 +-
 js/src/jsapi.cpp                     |  6 +++---
 js/src/jsarray.cpp                   |  4 ++--
 js/src/jscompartment.cpp             |  8 ++++----
 js/src/jsfun.cpp                     |  4 ++--
 js/src/jsfun.h                       | 13 ++++++-------
 js/src/jsfuninlines.h                |  2 +-
 js/src/jsobj.cpp                     |  2 +-
 js/src/jsopcode.cpp                  |  7 ++++---
 js/src/jsscript.cpp                  |  4 ++--
 js/src/jsscriptinlines.h             |  3 ++-
 js/src/shell/js.cpp                  |  6 +++---
 js/src/vm/ArgumentsObject.cpp        |  4 ++--
 js/src/vm/Debugger.cpp               |  2 +-
 js/src/vm/EnvironmentObject.cpp      | 23 +++++++++++++++--------
 js/src/vm/Interpreter-inl.h          |  2 +-
 js/src/vm/Interpreter.cpp            |  6 +++---
 js/src/vm/ObjectGroup.cpp            |  2 +-
 js/src/vm/SelfHosting.cpp            |  2 +-
 js/src/vm/Stack-inl.h                |  2 +-
 js/src/vm/TypeInference.cpp          |  3 ++-
 28 files changed, 69 insertions(+), 58 deletions(-)

diff --git a/js/src/builtin/RegExp.cpp b/js/src/builtin/RegExp.cpp
index d71cee75e..231c58a5d 100644
--- a/js/src/builtin/RegExp.cpp
+++ b/js/src/builtin/RegExp.cpp
@@ -1725,7 +1725,7 @@ js::intrinsic_GetElemBaseForLambda(JSContext* cx, unsigned argc, Value* vp)
     if (!fun->isInterpreted() || fun->isClassConstructor())
         return true;
 
-    JSScript* script = fun->getOrCreateScript(cx);
+    JSScript* script = JSFunction::getOrCreateScript(cx, fun);
     if (!script)
         return false;
 
diff --git a/js/src/builtin/TestingFunctions.cpp b/js/src/builtin/TestingFunctions.cpp
index c896ce5d1..89e3b1793 100644
--- a/js/src/builtin/TestingFunctions.cpp
+++ b/js/src/builtin/TestingFunctions.cpp
@@ -3218,13 +3218,13 @@ ByteSizeOfScript(JSContext*cx, unsigned argc, Value* vp)
         return false;
     }
 
-    JSFunction* fun = &args[0].toObject().as<JSFunction>();
+    RootedFunction fun(cx, &args[0].toObject().as<JSFunction>());
     if (fun->isNative()) {
         JS_ReportErrorASCII(cx, "Argument must be a scripted function");
         return false;
     }
 
-    RootedScript script(cx, fun->getOrCreateScript(cx));
+    RootedScript script(cx, JSFunction::getOrCreateScript(cx, fun));
     if (!script)
         return false;
 
diff --git a/js/src/frontend/BytecodeCompiler.cpp b/js/src/frontend/BytecodeCompiler.cpp
index b5be5f5ac..a4b7dba6b 100644
--- a/js/src/frontend/BytecodeCompiler.cpp
+++ b/js/src/frontend/BytecodeCompiler.cpp
@@ -287,7 +287,8 @@ BytecodeCompiler::deoptimizeArgumentsInEnclosingScripts(JSContext* cx, HandleObj
     RootedObject env(cx, environment);
     while (env->is<EnvironmentObject>() || env->is<DebugEnvironmentProxy>()) {
         if (env->is<CallObject>()) {
-            RootedScript script(cx, env->as<CallObject>().callee().getOrCreateScript(cx));
+            RootedFunction fun(cx, &env->as<CallObject>().callee());
+            RootedScript script(cx, JSFunction::getOrCreateScript(cx, fun));
             if (!script)
                 return false;
             if (script->argumentsHasVarBinding()) {
diff --git a/js/src/jit/IonAnalysis.cpp b/js/src/jit/IonAnalysis.cpp
index 41c71c9c3..90fa1864a 100644
--- a/js/src/jit/IonAnalysis.cpp
+++ b/js/src/jit/IonAnalysis.cpp
@@ -4132,7 +4132,7 @@ CmpInstructions(const void* a, const void* b)
 }
 
 bool
-jit::AnalyzeNewScriptDefiniteProperties(JSContext* cx, JSFunction* fun,
+jit::AnalyzeNewScriptDefiniteProperties(JSContext* cx, HandleFunction fun,
                                         ObjectGroup* group, HandlePlainObject baseobj,
                                         Vector<TypeNewScript::Initializer>* initializerList)
 {
@@ -4142,7 +4142,7 @@ jit::AnalyzeNewScriptDefiniteProperties(JSContext* cx, JSFunction* fun,
     // which will definitely be added to the created object before it has a
     // chance to escape and be accessed elsewhere.
 
-    RootedScript script(cx, fun->getOrCreateScript(cx));
+    RootedScript script(cx, JSFunction::getOrCreateScript(cx, fun));
     if (!script)
         return false;
 
diff --git a/js/src/jit/IonAnalysis.h b/js/src/jit/IonAnalysis.h
index 1ce8edc80..efd31415b 100644
--- a/js/src/jit/IonAnalysis.h
+++ b/js/src/jit/IonAnalysis.h
@@ -196,7 +196,7 @@ MCompare*
 ConvertLinearInequality(TempAllocator& alloc, MBasicBlock* block, const LinearSum& sum);
 
 MOZ_MUST_USE bool
-AnalyzeNewScriptDefiniteProperties(JSContext* cx, JSFunction* fun,
+AnalyzeNewScriptDefiniteProperties(JSContext* cx, HandleFunction fun,
                                    ObjectGroup* group, HandlePlainObject baseobj,
                                    Vector<TypeNewScript::Initializer>* initializerList);
 
diff --git a/js/src/jit/IonBuilder.cpp b/js/src/jit/IonBuilder.cpp
index a54a58add..e98a4056e 100644
--- a/js/src/jit/IonBuilder.cpp
+++ b/js/src/jit/IonBuilder.cpp
@@ -466,7 +466,8 @@ IonBuilder::canInlineTarget(JSFunction* target, CallInfo& callInfo)
     // Allow constructing lazy scripts when performing the definite properties
     // analysis, as baseline has not been used to warm the caller up yet.
     if (target->isInterpreted() && info().analysisMode() == Analysis_DefiniteProperties) {
-        RootedScript script(analysisContext, target->getOrCreateScript(analysisContext));
+        RootedFunction fun(analysisContext, target);
+        RootedScript script(analysisContext, JSFunction::getOrCreateScript(analysisContext, fun));
         if (!script)
             return InliningDecision_Error;
 
diff --git a/js/src/jit/VMFunctions.cpp b/js/src/jit/VMFunctions.cpp
index 402d910b9..5bcd36ba0 100644
--- a/js/src/jit/VMFunctions.cpp
+++ b/js/src/jit/VMFunctions.cpp
@@ -555,7 +555,7 @@ CreateThis(JSContext* cx, HandleObject callee, HandleObject newTarget, MutableHa
     if (callee->is<JSFunction>()) {
         RootedFunction fun(cx, &callee->as<JSFunction>());
         if (fun->isInterpreted() && fun->isConstructor()) {
-            JSScript* script = fun->getOrCreateScript(cx);
+            JSScript* script = JSFunction::getOrCreateScript(cx, fun);
             if (!script || !script->ensureHasTypes(cx))
                 return false;
             if (fun->isBoundFunction() || script->isDerivedClassConstructor()) {
diff --git a/js/src/jsapi-tests/testUbiNode.cpp b/js/src/jsapi-tests/testUbiNode.cpp
index 075e777d6..00b1253e7 100644
--- a/js/src/jsapi-tests/testUbiNode.cpp
+++ b/js/src/jsapi-tests/testUbiNode.cpp
@@ -646,7 +646,7 @@ BEGIN_TEST(test_JS_ubi_Node_scriptFilename)
     CHECK(obj->is<JSFunction>());
     JS::RootedFunction func(cx, &obj->as<JSFunction>());
 
-    JS::RootedScript script(cx, func->getOrCreateScript(cx));
+    JS::RootedScript script(cx, JSFunction::getOrCreateScript(cx, func));
     CHECK(script);
     CHECK(script->filename());
 
diff --git a/js/src/jsapi.cpp b/js/src/jsapi.cpp
index ac7b78581..949e4796b 100644
--- a/js/src/jsapi.cpp
+++ b/js/src/jsapi.cpp
@@ -3549,7 +3549,7 @@ CloneFunctionObject(JSContext* cx, HandleObject funobj, HandleObject env, Handle
     RootedFunction fun(cx, &funobj->as<JSFunction>());
     if (fun->isInterpretedLazy()) {
         AutoCompartment ac(cx, funobj);
-        if (!fun->getOrCreateScript(cx))
+        if (!JSFunction::getOrCreateScript(cx, fun))
             return nullptr;
     }
 
@@ -3581,7 +3581,7 @@ CloneFunctionObject(JSContext* cx, HandleObject funobj, HandleObject env, Handle
         // Fail here if we OOM during debug asserting.
         // CloneFunctionReuseScript will delazify the script anyways, so we
         // are not creating an extra failure condition for DEBUG builds.
-        if (!fun->getOrCreateScript(cx))
+        if (!JSFunction::getOrCreateScript(cx, fun))
             return nullptr;
         MOZ_ASSERT(scope->as<GlobalScope>().isSyntactic() ||
                    fun->nonLazyScript()->hasNonSyntacticScope());
@@ -4234,7 +4234,7 @@ JS_GetFunctionScript(JSContext* cx, HandleFunction fun)
         return nullptr;
     if (fun->isInterpretedLazy()) {
         AutoCompartment funCompartment(cx, fun);
-        JSScript* script = fun->getOrCreateScript(cx);
+        JSScript* script = JSFunction::getOrCreateScript(cx, fun);
         if (!script)
             MOZ_CRASH();
         return script;
diff --git a/js/src/jsarray.cpp b/js/src/jsarray.cpp
index ff581beec..d28f5cb8e 100644
--- a/js/src/jsarray.cpp
+++ b/js/src/jsarray.cpp
@@ -1662,11 +1662,11 @@ MatchNumericComparator(JSContext* cx, const Value& v)
     if (!obj.is<JSFunction>())
         return Match_None;
 
-    JSFunction* fun = &obj.as<JSFunction>();
+    RootedFunction fun(cx, &obj.as<JSFunction>());
     if (!fun->isInterpreted() || fun->isClassConstructor())
         return Match_None;
 
-    JSScript* script = fun->getOrCreateScript(cx);
+    JSScript* script = JSFunction::getOrCreateScript(cx, fun);
     if (!script)
         return Match_Failure;
 
diff --git a/js/src/jscompartment.cpp b/js/src/jscompartment.cpp
index 6024a1768..d0caeb558 100644
--- a/js/src/jscompartment.cpp
+++ b/js/src/jscompartment.cpp
@@ -1075,18 +1075,18 @@ CreateLazyScriptsForCompartment(JSContext* cx)
     // Create scripts for each lazy function, updating the list of functions to
     // process with any newly exposed inner functions in created scripts.
     // A function cannot be delazified until its outer script exists.
+    RootedFunction fun(cx);
     for (size_t i = 0; i < lazyFunctions.length(); i++) {
-        JSFunction* fun = &lazyFunctions[i]->as<JSFunction>();
+        fun = &lazyFunctions[i]->as<JSFunction>();
 
         // lazyFunctions may have been populated with multiple functions for
         // a lazy script.
         if (!fun->isInterpretedLazy())
             continue;
 
-        LazyScript* lazy = fun->lazyScript();
-        bool lazyScriptHadNoScript = !lazy->maybeScript();
+        bool lazyScriptHadNoScript = !fun->lazyScript()->maybeScript();
 
-        JSScript* script = fun->getOrCreateScript(cx);
+        JSScript* script = JSFunction::getOrCreateScript(cx, fun);
         if (!script)
             return false;
         if (lazyScriptHadNoScript && !AddInnerLazyFunctionsFromScript(script, lazyFunctions))
diff --git a/js/src/jsfun.cpp b/js/src/jsfun.cpp
index 18ff875da..41f935080 100644
--- a/js/src/jsfun.cpp
+++ b/js/src/jsfun.cpp
@@ -902,7 +902,7 @@ const Class* const js::FunctionClassPtr = &JSFunction::class_;
 JSString*
 js::FunctionToString(JSContext* cx, HandleFunction fun, bool prettyPrint)
 {
-    if (fun->isInterpretedLazy() && !fun->getOrCreateScript(cx))
+    if (fun->isInterpretedLazy() && !JSFunction::getOrCreateScript(cx, fun))
         return nullptr;
 
     if (IsAsmJSModule(fun))
@@ -1246,7 +1246,7 @@ JSFunction::isDerivedClassConstructor()
 JSFunction::getLength(JSContext* cx, HandleFunction fun, uint16_t* length)
 {
     MOZ_ASSERT(!fun->isBoundFunction());
-    if (fun->isInterpretedLazy() && !fun->getOrCreateScript(cx))
+    if (fun->isInterpretedLazy() && !getOrCreateScript(cx, fun))
         return false;
 
     *length = fun->isNative() ? fun->nargs() : fun->nonLazyScript()->funLength();
diff --git a/js/src/jsfun.h b/js/src/jsfun.h
index 65fe542c4..781ca6223 100644
--- a/js/src/jsfun.h
+++ b/js/src/jsfun.h
@@ -412,16 +412,15 @@ class JSFunction : public js::NativeObject
     //
     // - For functions known to have a JSScript, nonLazyScript() will get it.
 
-    JSScript* getOrCreateScript(JSContext* cx) {
-        MOZ_ASSERT(isInterpreted());
+    static JSScript* getOrCreateScript(JSContext* cx, js::HandleFunction fun) {
+        MOZ_ASSERT(fun->isInterpreted());
         MOZ_ASSERT(cx);
-        if (isInterpretedLazy()) {
-            JS::RootedFunction self(cx, this);
-            if (!createScriptForLazilyInterpretedFunction(cx, self))
+        if (fun->isInterpretedLazy()) {
+            if (!createScriptForLazilyInterpretedFunction(cx, fun))
                 return nullptr;
-            return self->nonLazyScript();
+            return fun->nonLazyScript();
         }
-        return nonLazyScript();
+        return fun->nonLazyScript();
     }
 
     JSScript* existingScriptNonDelazifying() const {
diff --git a/js/src/jsfuninlines.h b/js/src/jsfuninlines.h
index e134def61..13fe51e26 100644
--- a/js/src/jsfuninlines.h
+++ b/js/src/jsfuninlines.h
@@ -88,7 +88,7 @@ CloneFunctionObjectIfNotSingleton(JSContext* cx, HandleFunction fun, HandleObjec
     if (CanReuseScriptForClone(cx->compartment(), fun, parent))
         return CloneFunctionReuseScript(cx, fun, parent, kind, newKind, proto);
 
-    RootedScript script(cx, fun->getOrCreateScript(cx));
+    RootedScript script(cx, JSFunction::getOrCreateScript(cx, fun));
     if (!script)
         return nullptr;
     RootedScope enclosingScope(cx, script->enclosingScope());
diff --git a/js/src/jsobj.cpp b/js/src/jsobj.cpp
index bea01daf4..afaf24abd 100644
--- a/js/src/jsobj.cpp
+++ b/js/src/jsobj.cpp
@@ -952,7 +952,7 @@ js::CreateThisForFunctionWithProto(JSContext* cx, HandleObject callee, HandleObj
     }
 
     if (res) {
-        JSScript* script = callee->as<JSFunction>().getOrCreateScript(cx);
+        JSScript* script = JSFunction::getOrCreateScript(cx, callee.as<JSFunction>());
         if (!script)
             return nullptr;
         TypeScript::SetThis(cx, script, TypeSet::ObjectType(res));
diff --git a/js/src/jsopcode.cpp b/js/src/jsopcode.cpp
index 6adb5401e..b6897908b 100644
--- a/js/src/jsopcode.cpp
+++ b/js/src/jsopcode.cpp
@@ -2214,6 +2214,7 @@ GenerateLcovInfo(JSContext* cx, JSCompartment* comp, GenericPrinter& out)
             return false;
 
         RootedScript script(cx);
+        RootedFunction fun(cx);
         do {
             script = queue.popCopy();
             compCover.collectCodeCoverageInfo(comp, script->sourceObject(), script);
@@ -2231,15 +2232,15 @@ GenerateLcovInfo(JSContext* cx, JSCompartment* comp, GenericPrinter& out)
                 // Only continue on JSFunction objects.
                 if (!obj->is<JSFunction>())
                     continue;
-                JSFunction& fun = obj->as<JSFunction>();
+                fun = &obj->as<JSFunction>();
 
                 // Let's skip wasm for now.
-                if (!fun.isInterpreted())
+                if (!fun->isInterpreted())
                     continue;
 
                 // Queue the script in the list of script associated to the
                 // current source.
-                JSScript* childScript = fun.getOrCreateScript(cx);
+                JSScript* childScript = JSFunction::getOrCreateScript(cx, fun);
                 if (!childScript || !queue.append(childScript))
                     return false;
             }
diff --git a/js/src/jsscript.cpp b/js/src/jsscript.cpp
index 899820a0d..28fb3636c 100644
--- a/js/src/jsscript.cpp
+++ b/js/src/jsscript.cpp
@@ -3268,7 +3268,7 @@ js::detail::CopyScript(JSContext* cx, HandleScript src, HandleScript dst,
                 } else {
                     if (innerFun->isInterpretedLazy()) {
                         AutoCompartment ac(cx, innerFun);
-                        if (!innerFun->getOrCreateScript(cx))
+                        if (!JSFunction::getOrCreateScript(cx, innerFun))
                             return false;
                     }
 
@@ -4296,7 +4296,7 @@ JSScript::AutoDelazify::holdScript(JS::HandleFunction fun)
             script_ = fun->nonLazyScript();
         } else {
             JSAutoCompartment ac(cx_, fun);
-            script_ = fun->getOrCreateScript(cx_);
+            script_ = JSFunction::getOrCreateScript(cx_, fun);
             if (script_) {
                 oldDoNotRelazify_ = script_->doNotRelazify_;
                 script_->setDoNotRelazify(true);
diff --git a/js/src/jsscriptinlines.h b/js/src/jsscriptinlines.h
index da23804ac..65abb5cb7 100644
--- a/js/src/jsscriptinlines.h
+++ b/js/src/jsscriptinlines.h
@@ -78,7 +78,8 @@ inline JSFunction*
 LazyScript::functionDelazifying(JSContext* cx) const
 {
     Rooted<const LazyScript*> self(cx, this);
-    if (self->function_ && !self->function_->getOrCreateScript(cx))
+    RootedFunction fun(cx, self->function_);
+    if (self->function_ && !JSFunction::getOrCreateScript(cx, fun))
         return nullptr;
     return self->function_;
 }
diff --git a/js/src/shell/js.cpp b/js/src/shell/js.cpp
index f6a13623c..f8b10285a 100644
--- a/js/src/shell/js.cpp
+++ b/js/src/shell/js.cpp
@@ -2310,7 +2310,7 @@ ValueToScript(JSContext* cx, HandleValue v, JSFunction** funp = nullptr)
         return nullptr;
     }
 
-    JSScript* script = fun->getOrCreateScript(cx);
+    JSScript* script = JSFunction::getOrCreateScript(cx, fun);
     if (!script)
         return nullptr;
 
@@ -2726,7 +2726,7 @@ DisassembleScript(JSContext* cx, HandleScript script, HandleFunction fun,
 
                 RootedFunction fun(cx, &obj->as<JSFunction>());
                 if (fun->isInterpreted()) {
-                    RootedScript script(cx, fun->getOrCreateScript(cx));
+                    RootedScript script(cx, JSFunction::getOrCreateScript(cx, fun));
                     if (script) {
                         if (!DisassembleScript(cx, script, fun, lines, recursive, sourceNotes, sp))
                             return false;
@@ -5403,7 +5403,7 @@ DumpScopeChain(JSContext* cx, unsigned argc, Value* vp)
             ReportUsageErrorASCII(cx, callee, "Argument must be an interpreted function");
             return false;
         }
-        script = fun->getOrCreateScript(cx);
+        script = JSFunction::getOrCreateScript(cx, fun);
     } else {
         script = obj->as<ModuleObject>().script();
     }
diff --git a/js/src/vm/ArgumentsObject.cpp b/js/src/vm/ArgumentsObject.cpp
index f9a939e6e..73a9c1ac4 100644
--- a/js/src/vm/ArgumentsObject.cpp
+++ b/js/src/vm/ArgumentsObject.cpp
@@ -475,7 +475,7 @@ MappedArgSetter(JSContext* cx, HandleObject obj, HandleId id, MutableHandleValue
     attrs &= (JSPROP_ENUMERATE | JSPROP_PERMANENT); /* only valid attributes */
 
     RootedFunction callee(cx, &argsobj->callee());
-    RootedScript script(cx, callee->getOrCreateScript(cx));
+    RootedScript script(cx, JSFunction::getOrCreateScript(cx, callee));
     if (!script)
         return false;
 
@@ -630,7 +630,7 @@ MappedArgumentsObject::obj_defineProperty(JSContext* cx, HandleObject obj, Handl
         } else {
             if (desc.hasValue()) {
                 RootedFunction callee(cx, &argsobj->callee());
-                RootedScript script(cx, callee->getOrCreateScript(cx));
+                RootedScript script(cx, JSFunction::getOrCreateScript(cx, callee));
                 if (!script)
                     return false;
                 argsobj->setElement(cx, arg, desc.value());
diff --git a/js/src/vm/Debugger.cpp b/js/src/vm/Debugger.cpp
index d16781326..988ae413b 100644
--- a/js/src/vm/Debugger.cpp
+++ b/js/src/vm/Debugger.cpp
@@ -224,7 +224,7 @@ EnsureFunctionHasScript(JSContext* cx, HandleFunction fun)
 {
     if (fun->isInterpretedLazy()) {
         AutoCompartment ac(cx, fun);
-        return !!fun->getOrCreateScript(cx);
+        return !!JSFunction::getOrCreateScript(cx, fun);
     }
     return true;
 }
diff --git a/js/src/vm/EnvironmentObject.cpp b/js/src/vm/EnvironmentObject.cpp
index 34c39eabf..3125aa41c 100644
--- a/js/src/vm/EnvironmentObject.cpp
+++ b/js/src/vm/EnvironmentObject.cpp
@@ -1425,7 +1425,8 @@ class DebugEnvironmentProxyHandler : public BaseProxyHandler
         /* Handle unaliased formals, vars, lets, and consts at function scope. */
         if (env->is<CallObject>()) {
             CallObject& callobj = env->as<CallObject>();
-            RootedScript script(cx, callobj.callee().getOrCreateScript(cx));
+            RootedFunction fun(cx, &callobj.callee());
+            RootedScript script(cx, JSFunction::getOrCreateScript(cx, fun));
             if (!script->ensureHasTypes(cx) || !script->ensureHasAnalyzedArgsUsage(cx))
                 return false;
 
@@ -2960,7 +2961,7 @@ js::GetDebugEnvironmentForFunction(JSContext* cx, HandleFunction fun)
     MOZ_ASSERT(CanUseDebugEnvironmentMaps(cx));
     if (!DebugEnvironments::updateLiveEnvironments(cx))
         return nullptr;
-    JSScript* script = fun->getOrCreateScript(cx);
+    JSScript* script = JSFunction::getOrCreateScript(cx, fun);
     if (!script)
         return nullptr;
     EnvironmentIter ei(cx, fun->environment(), script->enclosingScope());
@@ -3468,11 +3469,13 @@ RemoveReferencedNames(JSContext* cx, HandleScript script, PropertyNameSet& remai
 
     if (script->hasObjects()) {
         ObjectArray* objects = script->objects();
+        RootedFunction fun(cx);
+        RootedScript innerScript(cx);
         for (size_t i = 0; i < objects->length; i++) {
             JSObject* obj = objects->vector[i];
             if (obj->is<JSFunction>() && obj->as<JSFunction>().isInterpreted()) {
-                JSFunction* fun = &obj->as<JSFunction>();
-                RootedScript innerScript(cx, fun->getOrCreateScript(cx));
+                fun = &obj->as<JSFunction>();
+                innerScript = JSFunction::getOrCreateScript(cx, fun);
                 if (!innerScript)
                     return false;
 
@@ -3535,11 +3538,13 @@ AnalyzeEntrainedVariablesInScript(JSContext* cx, HandleScript script, HandleScri
 
     if (innerScript->hasObjects()) {
         ObjectArray* objects = innerScript->objects();
+        RootedFunction fun(cx);
+        RootedScript innerInnerScript(cx);
         for (size_t i = 0; i < objects->length; i++) {
             JSObject* obj = objects->vector[i];
             if (obj->is<JSFunction>() && obj->as<JSFunction>().isInterpreted()) {
-                JSFunction* fun = &obj->as<JSFunction>();
-                RootedScript innerInnerScript(cx, fun->getOrCreateScript(cx));
+                fun = &obj->as<JSFunction>();
+                innerInnerScript = JSFunction::getOrCreateScript(cx, fun);
                 if (!innerInnerScript ||
                     !AnalyzeEntrainedVariablesInScript(cx, script, innerInnerScript))
                 {
@@ -3570,11 +3575,13 @@ js::AnalyzeEntrainedVariables(JSContext* cx, HandleScript script)
         return true;
 
     ObjectArray* objects = script->objects();
+    RootedFunction fun(cx);
+    RootedScript innerScript(cx);
     for (size_t i = 0; i < objects->length; i++) {
         JSObject* obj = objects->vector[i];
         if (obj->is<JSFunction>() && obj->as<JSFunction>().isInterpreted()) {
-            JSFunction* fun = &obj->as<JSFunction>();
-            RootedScript innerScript(cx, fun->getOrCreateScript(cx));
+            fun = &obj->as<JSFunction>();
+            innerScript = JSFunction::getOrCreateScript(cx, fun);
             if (!innerScript)
                 return false;
 
diff --git a/js/src/vm/Interpreter-inl.h b/js/src/vm/Interpreter-inl.h
index a2c8e220a..acfa8f74b 100644
--- a/js/src/vm/Interpreter-inl.h
+++ b/js/src/vm/Interpreter-inl.h
@@ -830,7 +830,7 @@ class FastCallGuard
 
         if (useIon_ && fun_) {
             if (!script_) {
-                script_ = fun_->getOrCreateScript(cx);
+                script_ = JSFunction::getOrCreateScript(cx, fun_);
                 if (!script_)
                     return false;
             }
diff --git a/js/src/vm/Interpreter.cpp b/js/src/vm/Interpreter.cpp
index 0f83c3435..35ab2ff26 100644
--- a/js/src/vm/Interpreter.cpp
+++ b/js/src/vm/Interpreter.cpp
@@ -446,7 +446,7 @@ js::InternalCallOrConstruct(JSContext* cx, const CallArgs& args, MaybeConstruct
     }
 
     /* Invoke native functions. */
-    JSFunction* fun = &args.callee().as<JSFunction>();
+    RootedFunction fun(cx, &args.callee().as<JSFunction>());
     if (construct != CONSTRUCT && fun->isClassConstructor()) {
         JS_ReportErrorNumberASCII(cx, GetErrorMessage, nullptr, JSMSG_CANT_CALL_CLASS_CONSTRUCTOR);
         return false;
@@ -457,7 +457,7 @@ js::InternalCallOrConstruct(JSContext* cx, const CallArgs& args, MaybeConstruct
         return CallJSNative(cx, fun->native(), args);
     }
 
-    if (!fun->getOrCreateScript(cx))
+    if (!JSFunction::getOrCreateScript(cx, fun))
         return false;
 
     /* Run function until JSOP_RETRVAL, JSOP_RETURN or error. */
@@ -3000,7 +3000,7 @@ CASE(JSOP_FUNCALL)
     {
         MOZ_ASSERT(maybeFun);
         ReservedRooted<JSFunction*> fun(&rootFunction0, maybeFun);
-        ReservedRooted<JSScript*> funScript(&rootScript0, fun->getOrCreateScript(cx));
+        ReservedRooted<JSScript*> funScript(&rootScript0, JSFunction::getOrCreateScript(cx, fun));
         if (!funScript)
             goto error;
 
diff --git a/js/src/vm/ObjectGroup.cpp b/js/src/vm/ObjectGroup.cpp
index 676792379..f3e748a1d 100644
--- a/js/src/vm/ObjectGroup.cpp
+++ b/js/src/vm/ObjectGroup.cpp
@@ -307,7 +307,7 @@ JSObject::makeLazyGroup(JSContext* cx, HandleObject obj)
     /* De-lazification of functions can GC, so we need to do it up here. */
     if (obj->is<JSFunction>() && obj->as<JSFunction>().isInterpretedLazy()) {
         RootedFunction fun(cx, &obj->as<JSFunction>());
-        if (!fun->getOrCreateScript(cx))
+        if (!JSFunction::getOrCreateScript(cx, fun))
             return nullptr;
     }
 
diff --git a/js/src/vm/SelfHosting.cpp b/js/src/vm/SelfHosting.cpp
index dfec47cf2..2ff20cfea 100644
--- a/js/src/vm/SelfHosting.cpp
+++ b/js/src/vm/SelfHosting.cpp
@@ -3008,7 +3008,7 @@ JSRuntime::cloneSelfHostedFunctionScript(JSContext* cx, HandlePropertyName name,
     MOZ_ASSERT(targetFun->isInterpretedLazy());
     MOZ_ASSERT(targetFun->isSelfHostedBuiltin());
 
-    RootedScript sourceScript(cx, sourceFun->getOrCreateScript(cx));
+    RootedScript sourceScript(cx, JSFunction::getOrCreateScript(cx, sourceFun));
     if (!sourceScript)
         return false;
 
diff --git a/js/src/vm/Stack-inl.h b/js/src/vm/Stack-inl.h
index a51c0aa14..9adea9af5 100644
--- a/js/src/vm/Stack-inl.h
+++ b/js/src/vm/Stack-inl.h
@@ -336,7 +336,7 @@ InterpreterStack::resumeGeneratorCallFrame(JSContext* cx, InterpreterRegs& regs,
                                            HandleObject envChain)
 {
     MOZ_ASSERT(callee->isGenerator());
-    RootedScript script(cx, callee->getOrCreateScript(cx));
+    RootedScript script(cx, JSFunction::getOrCreateScript(cx, callee));
     InterpreterFrame* prev = regs.fp();
     jsbytecode* prevpc = regs.pc;
     Value* prevsp = regs.sp;
diff --git a/js/src/vm/TypeInference.cpp b/js/src/vm/TypeInference.cpp
index ba809fc4e..63daec36e 100644
--- a/js/src/vm/TypeInference.cpp
+++ b/js/src/vm/TypeInference.cpp
@@ -3712,7 +3712,8 @@ TypeNewScript::maybeAnalyze(JSContext* cx, ObjectGroup* group, bool* regenerate,
     Vector<Initializer> initializerVector(cx);
 
     RootedPlainObject templateRoot(cx, templateObject());
-    if (!jit::AnalyzeNewScriptDefiniteProperties(cx, function(), group, templateRoot, &initializerVector))
+    RootedFunction fun(cx, function());
+    if (!jit::AnalyzeNewScriptDefiniteProperties(cx, fun, group, templateRoot, &initializerVector))
         return false;
 
     if (!group->newScript())
-- 
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