/* { dg-do compile } */ /* { dg-options "-O2 -fdump-tree-pre-stats" } */ typedef union { int i; float f; } U; int foo(U *u, int b, int i) { u->i = 0; if (b) u->i = i; return u->i; } /* { dg-final { scan-tree-dump "Eliminated: 1" "pre" } } */ /* { dg-final { cleanup-tree-dump "pre" } } */