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/* { dg-do compile } */ /* { dg-options "-O -Wuninitialized" } */ int *p, *q; int foo (int b) { int i, j = 0; int *x; p = &i; q = &j; if (b) x = p; /* { dg-warning "i. may be used uninitialized" } */ else x = q; return *x; }