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annotate gcc/testsuite/gcc.dg/Wstrict-overflow-22.c @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
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111
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1 /* { dg-do compile } */
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2 /* { dg-options "-fstrict-overflow -O2 -Wstrict-overflow=3" } */
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3
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4 /* Source: Ian Lance Taylor. Based on strict-overflow-6.c. */
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5
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6 /* We can only simplify the conditional when using strict overflow
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7 semantics. */
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8
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9 int
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10 foo (char* p)
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11 {
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12 return p + 1000 < p; /* { dg-warning "assuming pointer wraparound does not occur" "correct warning" } */
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13 }