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111
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1 /* PR optimization/13318 */
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2 /* Origin: <bremner@unb.ca> */
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3 /* Reduced testcase: Wolfgang Bangerth <bangerth@dealii.org> */
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4
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5 /* Verify that the big multiplier doesn't cause an integer
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6 overflow in the loop optimizer. */
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7
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8 /* { dg-do compile } */
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9 /* { dg-options "-O2" } */
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10
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11 struct S {
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12 int key;
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13 int rnext,rprev;
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14 };
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15
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16 void foo(struct S* H)
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17 {
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18 int i, k;
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19 for (i=0; i<2; i++){
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20 struct S* cell=H+k;
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21 cell->key=i*(0xffffffffUL/2);
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22 cell->rnext=k+(1-i);
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23 cell->rprev=k+(1-i);
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24 }
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25 }
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