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111
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1 /* PR tree-optimization/59924 */
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2 /* { dg-do compile } */
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3 /* { dg-options "-O1 -Wall" } */
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4
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5 struct S { struct T *a; double b; struct S *c; };
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6 struct T { struct S *d; };
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7 extern void bar (double);
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8
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9 void
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10 foo (struct S * x, int y, int z, int w)
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11 {
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12 int e;
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13 struct S *f;
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14 for (f = x->a->d; f; f = f->c)
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15 {
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16 if (5 < w)
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17 {
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18 e = -w;
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19 z = w;
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20 }
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21 }
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22 if (y != 0 || z != 0)
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23 {
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24 double g = x->b + (double) e * (double) y; /* { dg-warning "may be used uninitialized in this function" } */
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25 bar (g * g);
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26 }
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27 }
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