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function dummy() { with ({}) {}}
function foo() {
var a = 0;
var b = 1;
var c = 2;
var d = 3;
// This call will run before we enter jitcode and won't have IC
// data, so branch pruning will remove the path from the entry
// block to the OSR preheader.
dummy();
// We will OSR in this loop. Because there's no path from the
// function entry to the loop, the only information we have
// about a, b, c, and d is that they come from the OSR block.
for (var i = 0; i < 1000; i++) {
// Create a bunch of phis that only depend on OsrValues.
// These phis will be specialized to MIRType::Value.
a = i % 2 ? b : c;
b = i % 3 ? c : d;
c = i % 4 ? d : a;
d = i % 5 ? a : b;
// This phi will be optimistically specialized to
// MIRType::String and trigger a bailout.
dummy(i % 6 ? d : "");
}
return a;
}
foo();
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