// |jit-test| error:AllDone // When we enter debug mode in a compartment, we must throw away all // analyses in that compartment (debug mode affects the results of // analysis, so they become out of date). This is true even when we would // otherwise be retaining jit code and its related data structures for // animation timing. if (typeof gcPreserveCode != "function") throw('AllDone'); var g = newGlobal(); var dbg = new Debugger; g.eval("" + function fib(n) { var a = 0, b = 1; while (n-- > 0) b = b+a, a = b-a; return b; }); g.fib(20); // Cause g.fib to be jitted. This creates an analysis with // debug mode off. gcPreserveCode(); // Tell the gc to preserve JIT code and analyses by // default. A recent call to js::NotifyAnimationActivity // could have a similar effect in real life. dbg.addDebuggee(g); // Put g in debug mode. This triggers a GC which must // clear all analyses. In the original buggy code, we also // release all of g's scripts' JIT code, leading to a // recompilation the next time it was called. g.fib(20); // Run g.fib again, causing it to be re-jitted. If the // original analysis is still present, JM will assert, // because it is not in debug mode. throw('AllDone');