/* { dg-do compile } */ /* { dg-options "-O2 -fno-tree-dce -fno-tree-ccp -fno-tree-copy-prop -fno-tree-dominator-opts" } */ /* This caused the compiler to enter an infinite loop if copies are not fully propagated. The options are to disable copy propagation and thus expose the bug. */ int foo (void); struct A { struct B { struct B *n; } *p; }; static inline void baz (struct A *a) { a->p = a->p->n; } void bar (struct A a) { while (foo ()) baz (&a); while (foo ()); }
