| // PR c++/83555 | |
| // { dg-do compile } | |
| // { dg-options "-O2 -fdump-tree-optimized -fdelete-null-pointer-checks" } | |
| struct A { int a; }; | |
| struct B { int b; }; | |
| struct C : A, B { int c; }; | |
| C * | |
| foo (B *b) | |
| { | |
| return &static_cast<C &>(*b); | |
| } | |
| // { dg-final { scan-tree-dump-not "if \\(b_\[0-9]*\\(D\\) .= 0" "optimized" } } |