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// { dg-options "-fsigned-char -Wsign-conversion" } char c1 = 1024; // { dg-warning "overflow" } char c2 = char(1024); char c3 = (char) 1024; char c4 = static_cast<char>(1024); unsigned char uc1 = -129; // { dg-warning "unsigned" } bool b1 = -3; int i1 = 0x80000000; // { dg-warning "conversion" }