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      1 // Copyright 2010 the V8 project authors. All rights reserved.
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      3 // modification, are permitted provided that the following conditions are
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      5 //
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     26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27 
     28 // Flags: --allow-natives-syntax --expose-gc
     29 
     30 function f() {
     31   gc();
     32   return 87;
     33 }
     34 
     35 
     36 var x = 42, y = 99;
     37 function g() {
     38   return x | f() | (y | (x | (f() | x)));
     39 }
     40 f();  // Give us a chance to optimize f.
     41 assertEquals(42 | 87 | 99, g());
     42 
     43 
     44 // Regression test for issue where we would try do an illegal
     45 // compile-time lookup on a null prototype.
     46 var object = { f: function() { return 42; }, x: 42 };
     47 delete object.x;
     48 function call_f(o) {
     49   return o.f();
     50 }
     51 for (var i = 0; i < 5; i++) call_f(object);
     52 %OptimizeFunctionOnNextCall(call_f);
     53 call_f(object);
     54 
     55 
     56 // Check that nested global function calls work.
     57 function f0() {
     58   return 42;
     59 }
     60 
     61 function f1(a) {
     62   return a;
     63 }
     64 
     65 function f2(a, b) {
     66   return a * b;
     67 }
     68 
     69 function f3(a, b, c) {
     70   return a + b - c;
     71 }
     72 
     73 function f4(a, b, c, d) {
     74   return a * b + c - d;
     75 }
     76 
     77 function nested() {
     78   return f4(f3(f2(f1(f0()),f0()),f1(f0()),f0()),f2(f1(f0()),f0()),f1(f0()),f0())
     79     + f4(f0(),f1(f0()),f2(f1(f0()),f0()),f3(f2(f1(f0()),f0()),f1(f0()),f0()));
     80 }
     81 assertEquals(3113460, nested());
     82