8048079: Persistent code store is broken after optimistic types merge
Reviewed-by: sundar, jlaskey, attila
/*
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/**
* JDK-8015741 : Need a global.load function that starts with a new global scope.
*
* @test
* @run
*/
var Thread = java.lang.Thread;
myGlobal = "#0";
var script1 = {name: "script 1", script: 'myGlobal = "#1"; print(myGlobal);'};
var script2 = {name: "script 2", script: 'myGlobal = "#2"; print(myGlobal);'};
var script3 = {name: "script 3", script: 'myGlobal = "#3"; print(myGlobal);'};
var script4 = {name: "script 4", script: 'myGlobal = "#4"; print(myGlobal);'};
print(myGlobal);
load(script1);
print(myGlobal);
print(myGlobal);
var thread1 = new Thread(function() { load(script2); });
thread1.start();
thread1.join();
print(myGlobal);
print(myGlobal);
loadWithNewGlobal(script3);
print(myGlobal);
print(myGlobal);
var thread2 = new Thread(function() { loadWithNewGlobal(script4); });
thread2.start();
thread2.join();
print(myGlobal);