Bug 1493627 part 3 - Use AutoEnterOOMUnsafeRegion in js::RemapWrapper. r=jonco

Depends on D9254

Differential Revision: https://phabricator.services.mozilla.com/D9255

--HG--
extra : moz-landing-system : lando

js/src/jit-test/tests/basic/bug1493627.js

@@ -0,0 +1,4 @@
+// |jit-test| skip-if: !('stackTest' in this)
+stackTest(function() {
+    eval(`var g = newGlobal(); recomputeWrappers(this, g);`);
+});

js/src/proxy/CrossCompartmentWrapper.cpp

@@ -647,8 +647,9 @@ js::RemapWrapper(JSContext* cx, JSObject* wobjArg, JSObject* newTargetArg)
     // the choice to reuse |wobj| or not.
     RootedObject tobj(cx, newTarget);
     AutoRealmUnchecked ar(cx, wrealm);
+    AutoEnterOOMUnsafeRegion oomUnsafe;
     if (!wcompartment->rewrap(cx, &tobj, wobj)) {
-        MOZ_CRASH();
+        oomUnsafe.crash("js::RemapWrapper");
     }
 
     // If wrap() reused |wobj|, it will have overwritten it and returned with
@@ -670,7 +671,7 @@ js::RemapWrapper(JSContext* cx, JSObject* wobjArg, JSObject* newTargetArg)
     // wrapper, which has now been updated (via reuse or swap).
     MOZ_ASSERT(wobj->is<WrapperObject>());
     if (!wcompartment->putWrapper(cx, CrossCompartmentKey(newTarget), ObjectValue(*wobj))) {
-        MOZ_CRASH();
+        oomUnsafe.crash("js::RemapWrapper");
     }
 }