20 lines
384 B
C
20 lines
384 B
C
/* { dg-do compile } */
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/* { dg-options "-fstrict-overflow -O2 -Wstrict-overflow=1" } */
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/* Based on strict-overflow-5.c. */
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/* We can only unroll when using strict overflow semantics. But we
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don't issue a warning for relying on undefined overflow in
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loops. */
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int foo (int i)
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{
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int index;
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int r=0;
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for (index = i; index <= i+4; index+=2)
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r++;
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return r;
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}
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