Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/Wstrict-overflow-13.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
---|---|
date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children |
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/* { dg-do compile } */ /* { dg-options "-fstrict-overflow -O2 -Wstrict-overflow=2" } */ /* Source: Ian Lance Taylor. Dual of no-strict-overflow-6.c. */ /* VRP test. This turns into an infinite loop (depending on what bigtime_test does), but at least we warn about it. */ extern int bigtime_test (int); int foo () { int j; for (j = 1; 0 < j; j *= 2) /* { dg-warning "assuming signed overflow does not occur" "correct warning" { xfail *-*-* } } */ if (! bigtime_test (j)) return 1; return 0; }