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// Adding certain symbol properties to String.prototype or Object.prototype pops
// the fuse.
for (let holder of ["String.prototype", "Object.prototype"]) {
for (let sym of ["Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.split"]) {
newGlobal().evaluate(`
assertEq(getFuseState().OptimizeStringPrototypeSymbolsFuse.intact, true);
${holder}[${sym}] = null;
assertEq(getFuseState().OptimizeStringPrototypeSymbolsFuse.intact, false);
`);
}
}
// Changing String.prototype's proto also pops the fuse. A no-op change is fine.
newGlobal().evaluate(`
assertEq(getFuseState().OptimizeStringPrototypeSymbolsFuse.intact, true);
Object.setPrototypeOf(String.prototype, Object.prototype);
assertEq(getFuseState().OptimizeStringPrototypeSymbolsFuse.intact, true);
Object.setPrototypeOf(String.prototype, {});
assertEq(getFuseState().OptimizeStringPrototypeSymbolsFuse.intact, false);
`);