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28 // Flags: --allow-natives-syntax
30 // This is a boiled-down example happening in the Epic Citadel demo:
31 // After deopting, the multiplication for unary minus stayed in Smi
32 // mode instead of going to double mode, leading to deopt loops.
34 function unaryMinusTest(x) {
36 // Optimized code will contain a LMulI with -1 as right operand.
37 return (g & -g) - 1 | 0;
42 %OptimizeFunctionOnNextCall(unaryMinusTest);
44 assertOptimized(unaryMinusTest);
48 // The following is normally true, but not with --stress-opt. :-/
49 // assertUnoptimized(unaryMinusTest);
51 // We should have learned something from the deopt.
53 %OptimizeFunctionOnNextCall(unaryMinusTest);
55 assertOptimized(unaryMinusTest);