gcc-4.9/gcc/testsuite/g++.dg/warn/Wsign-compare-2.C


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// PR c/35430
// { dg-do compile }
// { dg-options "-Wsign-compare" }

void
foo (__complex__ int i)
{
  i == 0u;
  i == ~1u;	// { dg-warning "comparison between signed and unsigned integer expressions" }
}