Backed out changeset 763b96e81579 - I committed the wrong patch

js/src/jstracer.cpp

@@ -1062,14 +1062,14 @@ TraceRecorder::TraceRecorder(JSContext* cx, VMSideExit* _anchor, Fragment* _frag
     /* read into registers all values on the stack and all globals we know so far */
     import(treeInfo, lirbuf->sp, ngslots, callDepth, globalTypeMap, stackTypeMap);
 
+#if defined(JS_HAS_OPERATION_COUNT) && !JS_HAS_OPERATION_COUNT
     if (fragment == fragment->root) {
-        LIns* counter = lir->insLoadi(cx_ins,
-                                      offsetof(JSContext, operationCount));
-        //LIns* updated = lir->ins2i(LIR_sub, counter, JSOW_SCRIPT_JUMP);
-        LIns* updated = lir->ins2i(LIR_sub, counter, 1);
-        lir->insStorei(updated, cx_ins, offsetof(JSContext, operationCount));
-        guard(false, lir->ins2i(LIR_le, updated, 0), snapshot(TIMEOUT_EXIT));
+        guard(false, 
+              lir->ins_eq0(lir->insLoadi(cx_ins, 
+                                         offsetof(JSContext, operationCount))), 
+              snapshot(TIMEOUT_EXIT));
     }
+#endif
 
     /* If we are attached to a tree call guard, make sure the guard the inner tree exited from
        is what we expect it to be. */