| [2f22cc4] | 1 | // | 
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|  | 2 | // Cforall Version 1.0.0 Copyright (C) 2016 University of Waterloo | 
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|  | 3 | // | 
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|  | 4 | // The contents of this file are covered under the licence agreement in the | 
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|  | 5 | // file "LICENCE" distributed with Cforall. | 
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|  | 6 | // | 
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| [dc8511c] | 7 | // labelledExit.cfa -- | 
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| [2f22cc4] | 8 | // | 
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|  | 9 | // Author           : Peter A. Buhr | 
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|  | 10 | // Created On       : Wed Aug 10 07:29:39 2016 | 
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|  | 11 | // Last Modified By : Peter A. Buhr | 
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| [53692b3] | 12 | // Last Modified On : Sat Jun  5 10:07:34 2021 | 
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|  | 13 | // Update Count     : 13 | 
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| [2f22cc4] | 14 | // | 
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|  | 15 |  | 
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| [10dc7491] | 16 | int foo() { | 
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| [62edde5] | 17 | int i; | 
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|  | 18 | int x, y; | 
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|  | 19 |  | 
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|  | 20 | x = 0; y = 0; | 
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|  | 21 |  | 
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|  | 22 | // block, labelled exits | 
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|  | 23 |  | 
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|  | 24 | Block: { | 
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|  | 25 | if ( x == y ) { | 
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|  | 26 | for ( ; i < y; ) { | 
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|  | 27 | y += 1; | 
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|  | 28 | if ( y < 10 ) break Block; | 
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|  | 29 | } | 
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|  | 30 | } | 
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|  | 31 | } | 
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|  | 32 |  | 
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|  | 33 | // loops, labelled exits | 
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|  | 34 |  | 
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|  | 35 | w1: while ( y == 10 ); | 
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|  | 36 |  | 
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|  | 37 | w2: while ( x < 10 ) { | 
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|  | 38 | while (y < 5 ) { | 
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|  | 39 | if ( y == 3 ) break w2; | 
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|  | 40 | } | 
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|  | 41 | x += 1; | 
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|  | 42 | } | 
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|  | 43 |  | 
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|  | 44 | A: for ( i = 0; i < 10; i += 1 ) { | 
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|  | 45 | B: for ( i = 0; i < 10; i += 1 ) { | 
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|  | 46 | C: for ( i = 0; i < 10; i += 1 ) { | 
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|  | 47 | goto A; | 
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|  | 48 | goto B; | 
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|  | 49 | goto C; | 
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|  | 50 | continue A; | 
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|  | 51 | continue B; | 
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|  | 52 | continue C; | 
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|  | 53 | continue; | 
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|  | 54 | break A; | 
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|  | 55 | break B; | 
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|  | 56 | break C; | 
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|  | 57 | break; | 
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|  | 58 | } | 
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|  | 59 | } | 
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|  | 60 | } | 
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|  | 61 |  | 
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| [adb6b30f] | 62 | D: for () { | 
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| [62edde5] | 63 | break D; | 
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|  | 64 | continue D; | 
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|  | 65 | } | 
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|  | 66 |  | 
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|  | 67 | Z : i += 1; | 
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|  | 68 | goto Z; | 
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| [adb6b30f] | 69 | X: Y: for () { | 
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| [62edde5] | 70 | i += 1; | 
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|  | 71 | if ( i > 5 ) continue X; | 
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|  | 72 | if ( i < 5 ) break X; | 
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|  | 73 | if ( i < 5 ) break Y; | 
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|  | 74 | break; | 
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|  | 75 | } | 
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| [adb6b30f] | 76 | XX: for () { | 
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|  | 77 | YY: for () { | 
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|  | 78 | ZZ: for () { | 
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| [62edde5] | 79 | i += 1; | 
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|  | 80 | if ( i > 5 ) continue XX; | 
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|  | 81 | if ( i < 5 ) continue YY; | 
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|  | 82 | if ( i < 5 ) continue ZZ; | 
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|  | 83 | if ( i > 5 ) break XX; | 
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|  | 84 | if ( i < 5 ) break YY; | 
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|  | 85 | if ( i < 5 ) break ZZ; | 
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|  | 86 | break; | 
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|  | 87 | } | 
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|  | 88 | } | 
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|  | 89 | } | 
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|  | 90 |  | 
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| [adb6b30f] | 91 | for () ; | 
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| [62edde5] | 92 | for ( int i = 0 ;; ) ; | 
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|  | 93 | for (  ; i < 0; ) ; | 
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|  | 94 | for (  ; ; i += 1 ) ; | 
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|  | 95 | L0:  L1:  L2:  L3:  L4:  L5:  L6:  L7:  L8:  L9: | 
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|  | 96 | L10: L11: L12: L13: L14: L15: L16: L17: L18: L19: | 
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|  | 97 | L20: L21: L22: L23: L24: L25: L26: L27: L28: L29: | 
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|  | 98 | L31: L32: L33: L34: | 
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| [adb6b30f] | 99 | for () { | 
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| [62edde5] | 100 | break L0; | 
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|  | 101 | } | 
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|  | 102 |  | 
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|  | 103 | // switch/choose, labelled exits | 
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|  | 104 |  | 
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|  | 105 | Switch: switch ( i ) { | 
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|  | 106 | default: | 
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|  | 107 | i += 1; | 
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|  | 108 | case 0: | 
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|  | 109 | i += 1; | 
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|  | 110 | break Switch; | 
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|  | 111 | case 1: | 
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|  | 112 | switch ( i ) { | 
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|  | 113 | case 0: | 
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|  | 114 | break Switch; | 
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|  | 115 | default: | 
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|  | 116 | ; break; | 
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|  | 117 | } | 
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|  | 118 | } | 
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|  | 119 |  | 
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|  | 120 | Choose: choose ( i ) { | 
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|  | 121 | default: | 
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|  | 122 | i += 1; | 
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|  | 123 | case 0: | 
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|  | 124 | i += 1; | 
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|  | 125 | break Choose; | 
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|  | 126 | case 1: | 
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|  | 127 | choose ( i ) { | 
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|  | 128 | case 0: | 
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|  | 129 | break; | 
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|  | 130 | default: | 
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|  | 131 | break Choose; | 
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|  | 132 | } | 
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|  | 133 | fallthru; | 
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|  | 134 | case 2: | 
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|  | 135 | i += 1; | 
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|  | 136 | } | 
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|  | 137 |  | 
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| [9bdb8b7] | 138 | // all nested control options, labelled exits | 
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|  | 139 |  | 
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|  | 140 | Comp: { | 
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|  | 141 | Try: try { | 
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|  | 142 | For: for ( ;; ) { | 
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|  | 143 | While: while ( true ) { | 
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|  | 144 | Do: do { | 
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|  | 145 | If: if ( true ) { | 
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|  | 146 | Switch2: switch ( 3 ) { | 
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|  | 147 | case 3: | 
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|  | 148 | break Try; | 
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|  | 149 | break Comp; | 
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|  | 150 | break For;              continue For; | 
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|  | 151 | break While;    continue While; | 
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|  | 152 | break Do;               continue Do; | 
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|  | 153 | break If; | 
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|  | 154 | break Switch2; | 
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|  | 155 | } // switch | 
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|  | 156 | } // if | 
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|  | 157 | } while ( true ); | 
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|  | 158 | } // while | 
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|  | 159 | } // for | 
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|  | 160 | } finally {} // always executed | 
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|  | 161 | } // compound | 
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|  | 162 |  | 
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| [62edde5] | 163 | // computed goto | 
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| [e53e5aa] | 164 | { | 
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|  | 165 | void *array[] = { &&foo, &&bar, &&hack }; | 
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|  | 166 | foo: bar: hack: | 
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|  | 167 | &&foo; | 
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|  | 168 | &&bar; | 
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|  | 169 | goto *array[i]; | 
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|  | 170 | } | 
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| [62edde5] | 171 |  | 
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|  | 172 | Q: if ( i > 5 ) { | 
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|  | 173 | i += 1; | 
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| [540b275] | 174 | break Q; | 
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|  | 175 | } | 
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|  | 176 | else | 
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| [62edde5] | 177 | i += 1; | 
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|  | 178 | } | 
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|  | 179 |  | 
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| [2f22cc4] | 180 | int main( int argc, char const *argv[] ) { | 
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| [53692b3] | 181 | #pragma GCC warning "Compiled"                      // force non-empty .expect file, NO TABS!!! | 
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| [aaf1f4d] | 182 | } | 
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|  | 183 |  | 
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| [62edde5] | 184 | // Local Variables: // | 
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|  | 185 | // tab-width: 4 // | 
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| [dc8511c] | 186 | // compile-command: "cfa labelledExit.cfa" // | 
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| [62edde5] | 187 | // End: // | 
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