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1 // PR tree-optimization/86214
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2 // { dg-do compile }
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3 // { dg-options "-O2 -Wstack-usage=15000" }
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4
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5 typedef __SIZE_TYPE__ size_t;
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6 struct A { A (); ~A (); int a; void qux (const char *); };
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7 int bar (char *);
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8
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9 static inline __attribute__((always_inline)) A
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10 foo ()
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11 {
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12 char b[8192];
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13 int x = bar (b);
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14 A s;
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15 if (x > 0 && (size_t) x < sizeof b)
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16 s.qux (b);
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17 return s;
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18 }
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19
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20 void
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21 baz () // { dg-bogus "stack usage is" }
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22 {
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23 A a;
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24 foo (); foo (); foo (); foo (); foo ();
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25 foo (); foo (); foo (); foo (); foo ();
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26 foo (); foo (); foo (); foo (); foo ();
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27 foo (); foo (); foo (); foo (); foo ();
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28 }
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