13 lines
328 B
C
13 lines
328 B
C
/* { dg-do compile } */
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/* { dg-options "-O1 -foptimize-sibling-calls -fdump-tree-tailr-details" } */
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int
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foo (int a)
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{
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if (a)
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return a * (2 * (foo (a - 1))) + a + 1;
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else
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return 0;
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}
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/* { dg-final { scan-tree-dump-times "Eliminated tail recursion" 1 "tailr1"} } */
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/* { dg-final { cleanup-tree-dump "tailr\[1-2\]" } } */
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