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view gcc/testsuite/g++.dg/warn/multiple-sign-compare-warn-1.C @ 158:494b0b89df80 default tip

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author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 25 May 2020 18:13:55 +0900
parents 1830386684a0
children
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// { dg-options "-Wsign-compare" }

int foo()
{
  unsigned char b = '1';

  bool x = ~b; // { dg-bogus "promoted bitwise complement of an unsigned value is always nonzero.*promoted bitwise complement of an unsigned value is always nonzero" }
 // { dg-warning "promoted bitwise complement of an unsigned value is always nonzero" "" { target *-*-* } .-1 }

  return 0;
}