| /* { dg-do compile } */ |
| /* { dg-options "-O -fno-tree-sra -fdump-tree-fre1-details" } */ |
| |
| struct Foo { |
| Foo() {}; |
| int i; |
| short f; |
| }; |
| struct Bar : public Foo { |
| Bar() {}; |
| short b; |
| }; |
| |
| extern "C" void abort(void); |
| |
| int main() |
| { |
| Bar b1, b2; |
| b2.i = 0; |
| b1.f = 0; |
| b1.b = 1; |
| b2.f = 1; |
| b2.b = 2; |
| static_cast<Foo&>(b1) = static_cast<Foo&>(b2); |
| if (b1.i != 0 || b1.b != 1) |
| abort (); |
| if (b1.f != 1) |
| abort (); |
| return 0; |
| } |
| |
| /* { dg-final { scan-tree-dump "Replaced b1.b with 1" "fre1" } } */ |
| /* { dg-final { scan-tree-dump "Replaced b1.D.\[0-9\]*.i with 0" "fre1" } } */ |
| /* { dg-final { scan-tree-dump "Replaced b1.D.\[0-9\]*.f with 1" "fre1" } } */ |
