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111
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1 /* { dg-do compile } */
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2 /* { dg-options "-Wstack-usage=512" } */
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3 /* { dg-require-effective-target untyped_assembly } */
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4
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5 int foo1 (void) /* { dg-bogus "stack usage" } */
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6 {
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7 char arr[16];
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8 arr[0] = 1;
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9 return 0;
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10 }
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11
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12 int foo2 (void) /* { dg-warning "stack usage is \[0-9\]* bytes" } */
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13 {
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14 char arr[1024];
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15 arr[0] = 1;
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16 return 0;
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17 }
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18
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19 /* The actual warning depends on whether stack space is allocated dynamically
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20 or statically. */
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21 int foo3 (void) /* { dg-warning "stack usage (might be)|(is) \[0-9\]* bytes" } */
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22 {
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23 char arr[1024] __attribute__((aligned (512)));
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24 arr[0] = 1;
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25 /* Force dynamic realignment of argument pointer. */
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26 __builtin_apply ((void (*)()) foo2, 0, 0);
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27 return 0;
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28 }
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29
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30 int foo4 (int n) /* { dg-warning "stack usage might be unbounded" } */
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31 {
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32 char arr[n];
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33 arr[0] = 1;
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34 return 0;
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35 }
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