Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/c-c++-common/Wunused-var-4.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 "-Wunused -W" } */ int f1 (unsigned int x) { int c = ({ union { unsigned int a; int b; } u; u.a = x; u.b; }); return c; } void f2 (void) { struct S { int i; } a; int b[1]; a.i = 1; a.i; /* { dg-warning "no effect" } */ b[0] = 1; b[0]; /* { dg-warning "no effect" } */ } void f3 (void) { struct S { int i; } a; /* { dg-warning "set but not used" } */ int b[1]; /* { dg-warning "set but not used" } */ a.i = 1; b[0] = 1; }