17 lines
427 B
C
17 lines
427 B
C
/* { dg-do compile } */
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/* { dg-options "-fstrict-overflow -O2 -Wstrict-overflow=2" } */
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/* Source: Ian Lance Taylor. Dual of no-strict-overflow-6.c. */
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/* VRP test. This turns into an infinite loop when using strict
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overflow semantics. */
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int
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foo ()
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{
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int i, bits;
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for (i = 1, bits = 1; i > 0; i += i) /* { dg-warning "assuming signed overflow does not occur" "correct warning" } */
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++bits;
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return bits;
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}
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