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| 1 // Copyright 2015 the V8 project authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 // Flags: --strong-mode --allow-natives-syntax | |
| 6 | |
| 7 (function() { | |
| 8 "use strict"; | |
| 9 | |
| 10 let foo = null; | |
| 11 | |
| 12 function nullLiteral() { | |
| 13 class Class1 extends null { | |
| 14 constructor() { | |
| 15 super(); | |
| 16 } | |
| 17 } | |
| 18 } | |
| 19 | |
| 20 function nullVariable() { | |
| 21 class Class2 extends foo { | |
| 22 constructor() { | |
| 23 super(); | |
| 24 } | |
| 25 } | |
| 26 } | |
| 27 | |
| 28 function nullLiteralClassExpr() { | |
| 29 (class extends null {}); | |
| 30 } | |
| 31 | |
| 32 function nullVariableClassExpr() { | |
| 33 (class extends foo {}); | |
| 34 } | |
| 35 | |
| 36 assertDoesNotThrow(nullLiteral); | |
| 37 %OptimizeFunctionOnNextCall(nullLiteral); | |
| 38 assertDoesNotThrow(nullLiteral); | |
| 39 | |
| 40 assertDoesNotThrow(nullVariable); | |
| 41 %OptimizeFunctionOnNextCall(nullVariable); | |
| 42 assertDoesNotThrow(nullVariable); | |
| 43 | |
| 44 assertDoesNotThrow(nullLiteralClassExpr); | |
| 45 %OptimizeFunctionOnNextCall(nullLiteralClassExpr); | |
| 46 assertDoesNotThrow(nullLiteralClassExpr); | |
| 47 | |
| 48 assertDoesNotThrow(nullVariableClassExpr); | |
| 49 %OptimizeFunctionOnNextCall(nullVariableClassExpr); | |
| 50 assertDoesNotThrow(nullVariableClassExpr); | |
| 51 })(); | |
| 52 | |
| 53 (function() { | |
| 54 "use strong"; | |
| 55 | |
| 56 let foo = null; | |
| 57 | |
| 58 function nullLiteral() { | |
| 59 class Class1 extends null { | |
| 60 constructor() { | |
| 61 super(); | |
| 62 } | |
| 63 } | |
| 64 } | |
| 65 | |
| 66 function nullVariable() { | |
| 67 class Class2 extends foo { | |
| 68 constructor() { | |
| 69 super(); | |
| 70 } | |
| 71 } | |
| 72 } | |
| 73 | |
| 74 function nullLiteralClassExpr() { | |
| 75 (class extends null {}); | |
| 76 } | |
| 77 | |
| 78 function nullVariableClassExpr() { | |
| 79 (class extends foo {}); | |
| 80 } | |
| 81 | |
| 82 assertThrows(nullLiteral, TypeError); | |
| 83 %OptimizeFunctionOnNextCall(nullLiteral); | |
| 84 assertThrows(nullLiteral, TypeError); | |
| 85 | |
| 86 assertThrows(nullVariable, TypeError); | |
| 87 %OptimizeFunctionOnNextCall(nullVariable); | |
| 88 assertThrows(nullVariable, TypeError); | |
| 89 | |
| 90 assertThrows(nullLiteralClassExpr, TypeError); | |
| 91 %OptimizeFunctionOnNextCall(nullLiteralClassExpr); | |
| 92 assertThrows(nullLiteralClassExpr, TypeError); | |
| 93 | |
| 94 assertThrows(nullVariableClassExpr, TypeError); | |
| 95 %OptimizeFunctionOnNextCall(nullVariableClassExpr); | |
| 96 assertThrows(nullVariableClassExpr, TypeError); | |
| 97 })(); | |
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