On Fri, Nov 16, 2012 at 6:29 PM, Ian Lance Taylor <i...@google.com> wrote: > On Thu, Nov 15, 2012 at 1:53 PM, Diego Novillo <dnovi...@google.com> wrote: >> 2012-11-15 Diego Novillo <dnovi...@google.com> >> >> Adjust for new vec API >> (http://gcc.gnu.org/wiki/cxx-conversion/cxx-vec) >> >> * c-common.c: Use new vec API in vec.h. >> * c-common.h: Likewise. >> * c-gimplify.c: Likewise. >> * c-pragma.c: Likewise. >> * c-pretty-print.c: Likewise. >> * c-pretty-print.h: Likewise. >> * c-semantics.c: Likewise. >> * c-decl.c: Likewise. >> * c-parser.c: Likewise. >> * c-tree.h: Likewise. >> * c-typeck.c: Likewise. > > >> { >> gcc_assert (decl && DECL_P (decl) && TREE_STATIC (decl)); >> >> - while (!VEC_empty (tree, types_used_by_cur_var_decl)) >> + while (types_used_by_cur_var_decl && >> !types_used_by_cur_var_decl->is_empty ()) > > vec_safe_is_empty?
Strictly speaking, yes. But in this case, the call to ->is_empty() is already protected by a non-NULL test for types_used_by_cur_var_decl. So you can save yourself the duplicated test. Diego.