michael@0: // |jit-test| slow;
michael@0: 
michael@0: // Binary: cache/js-dbg-32-be41973873db-linux
michael@0: // Flags: --ion-eager
michael@0: //
michael@0: function MersenneTwister19937() {
michael@0:   N = 624;
michael@0:   var M = 397;
michael@0:   MATRIX_A = 567483615;
michael@0:   UPPER_MASK = 2147483648;
michael@0:   var LOWER_MASK = 767;
michael@0:   mt = Array();
michael@0:   function unsigned32(n1) {
michael@0:     return n1 < 0 ? (n1 ^ UPPER_MASK) + UPPER_MASK : n1;
michael@0:   }
michael@0:   function addition32(n1, n2) {
michael@0:     return unsigned32(n1 + n2 & 4294967295);
michael@0:   }
michael@0:   function multiplication32(n1, n2) {
michael@0:     sum = 0;
michael@0:     for (i = 0; i < 32; ++i) {
michael@0:       if (n1 >> i & 1) {
michael@0:         sum = addition32(sum, unsigned32(n2 << i));
michael@0:       }
michael@0:     }
michael@0:     return sum;
michael@0:   }
michael@0:   this.init_genrand = function() {
michael@0:     for (mti = 1; mti < N; mti++) {
michael@0:       mt[mti] = addition32(multiplication32(181433253, unsigned32(mt[mti - 1] ^ mt[mti - 1] >>> 30)), mti);
michael@0:     }
michael@0:   };
michael@0:   this.genrand_int32 = function() {
michael@0:     mag01 = Array(0, MATRIX_A);
michael@0:     if (mti > N) {
michael@0:       for (kk = 0; kk < N - M; kk++) {
michael@0:         y = unsigned32(mt[kk] & UPPER_MASK | mt[kk + 1] & LOWER_MASK);
michael@0:       }
michael@0:       for (; kk < N; kk++) {
michael@0:         mt[kk] = unsigned32(mt[kk + (M - N)] ^ y >>> 1 ^ mag01[y & 1]);
michael@0:       }
michael@0:       mti = 0;
michael@0:     }
michael@0:     y = mt[mti++];
michael@0:     return y;
michael@0:   };
michael@0: }
michael@0: (function() {
michael@0:   var fuzzMT = new MersenneTwister19937;
michael@0:   fuzzSeed = 4;
michael@0:   fuzzMT.init_genrand(fuzzSeed);
michael@0:   rnd = function(n) {
michael@0:     var x = fuzzMT.genrand_int32() * 2.2e-10;
michael@0:     return Math.floor(x * n);
michael@0:   };
michael@0: }());
michael@0: 
michael@0: function rndElt(a) {
michael@0:   return a[rnd(a.length)];
michael@0: }
michael@0: varBinderFor = ["", "t", ""];
michael@0: function forLoopHead(d, b, v, reps) {
michael@0:   var sInit = rndElt(varBinderFor) + v + "=0";
michael@0:   var sCond = v + "<" + reps;
michael@0:   sNext = "++" + v;
michael@0:   return "for(" + sInit + ";" + sCond + ";" + sNext + ")";
michael@0: }
michael@0: function makeBranchUnstableLoop(d, b) {
michael@0:   var reps = rnd(rnd(9));
michael@0:   v = uniqueVarName();
michael@0:   var mod = rnd();
michael@0:   target = rnd(mod);
michael@0:   return "" + forLoopHead(d, b, v, reps) + "{" + "if(" + v + "%" + mod + "==" + target + "){" + makeStatement(d - 2, b) + "}" + "{" + makeStatement(d - 2) + "}" + "}";
michael@0: }
michael@0: function weighted(wa) {
michael@0:   a = [];
michael@0:   for (var i = 0; i < wa.length; ++i) {
michael@0:     for (var j = 0; j < wa[i].w; ++j) {
michael@0:       a.push(wa[i].fun);
michael@0:     }
michael@0:   }
michael@0:   return a;
michael@0: }
michael@0: statementMakers = weighted([{
michael@0:   w: 6,
michael@0:   fun: makeBranchUnstableLoop
michael@0: }, {}]);
michael@0: (function() {
michael@0:   builderStatementMakers = weighted([{
michael@0:     w: 1,
michael@0:     fun: function() {
michael@0:       return "gc()";
michael@0:     }
michael@0:   }, {
michael@0:     w: 10,
michael@0:     fun: function() {}
michael@0:   }]);
michael@0:   makeBuilderStatement = function() {
michael@0:     return rndElt(builderStatementMakers)();
michael@0:   };
michael@0: }());
michael@0: function uniqueVarName() {
michael@0:   for (i = 0; i < 6; ++i) {
michael@0:     s = String.fromCharCode(97 + rnd(6));
michael@0:   }
michael@0:   return s;
michael@0: }
michael@0: function makeLittleStatement(d) {
michael@0:   rnd(0);
michael@0:   if (rnd) {
michael@0:     rndElt(littleStatementMakers)();
michael@0:   }
michael@0: }
michael@0: littleStatementMakers = [function() {}];
michael@0: function testOne() {
michael@0:   var code = makeOv(10);
michael@0:   tryItOut(code);
michael@0: }
michael@0: function makeStatement(d, b) {
michael@0:   if (rnd(0)) {}
michael@0:   if (rnd(2)) {
michael@0:     return makeBuilderStatement();
michael@0:   }
michael@0:   d < 6 && rnd() == 0;
michael@0:   if (d < rnd(8)) {
michael@0:     return makeLittleStatement();
michael@0:   }
michael@0:   return rndElt(statementMakers)(d, b);
michael@0: }
michael@0: function makeOv(d, B) {
michael@0:   if (rnd() == 0) {}
michael@0:   return "" + makeStatement(d, [""]);
michael@0: }
michael@0: function tryItOut(code) {
michael@0:   try {
michael@0:     f = Function(code);
michael@0:     f();
michael@0:   } catch (r) {}
michael@0: }
michael@0: for (let aa = 0; aa < 9999; aa++) {
michael@0:   testOne();
michael@0: }