Backout 493d5d59b229 for bustage on a CLOSED TREE.

js/src/jit/AsmJS.cpp

@@ -1276,8 +1276,6 @@ class MOZ_STACK_CLASS ModuleCompiler
     }
 
     bool failName(ParseNode *pn, const char *fmt, PropertyName *name) {
-        // This function is invoked without the caller properly rooting its locals.
-        gc::AutoSuppressGC suppress(name->runtimeFromMainThread());
         JSAutoByteString bytes;
         if (AtomToPrintableString(cx_, name, &bytes))
             failf(pn, fmt, bytes.ptr());

js/src/jsgc.cpp

@@ -5140,12 +5140,6 @@ AutoMaybeTouchDeadZones::~AutoMaybeTouchDeadZones()
     runtime->gcManipulatingDeadZones = manipulatingDeadZones;
 }
 
-AutoSuppressGC::AutoSuppressGC(JSRuntime *rt)
-  : suppressGC_(rt->mainThread.suppressGC)
-{
-    suppressGC_++;
-}
-
 AutoSuppressGC::AutoSuppressGC(JSContext *cx)
   : suppressGC_(cx->runtime()->mainThread.suppressGC)
 {

js/src/jsgc.h

@@ -1400,7 +1400,6 @@ class AutoSuppressGC
     int32_t &suppressGC_;
 
   public:
-    AutoSuppressGC(JSRuntime *rt);
     AutoSuppressGC(JSContext *cx);
     AutoSuppressGC(JSCompartment *comp);