diff options
Diffstat (limited to 'contrib/gcc/cp/tree.c')
| -rw-r--r-- | contrib/gcc/cp/tree.c | 31 |
1 files changed, 29 insertions, 2 deletions
diff --git a/contrib/gcc/cp/tree.c b/contrib/gcc/cp/tree.c index d703b8a..748ab9a 100644 --- a/contrib/gcc/cp/tree.c +++ b/contrib/gcc/cp/tree.c @@ -1,6 +1,6 @@ /* Language-dependent node constructors for parse phase of GNU compiler. Copyright (C) 1987, 1988, 1992, 1993, 1994, 1995, 1996, 1997, 1998, - 1999, 2000, 2001 Free Software Foundation, Inc. + 1999, 2000, 2001, 2002 Free Software Foundation, Inc. Hacked by Michael Tiemann (tiemann@cygnus.com) This file is part of GNU CC. @@ -1898,6 +1898,27 @@ pod_type_p (t) return 1; } +/* Returns 1 iff zero initialization of type T means actually storing + zeros in it. */ + +int +zero_init_p (t) + tree t; +{ + t = strip_array_types (t); + + /* NULL pointers to data members are initialized with -1. */ + if (TYPE_PTRMEM_P (t)) + return 0; + + /* Classes that contain types that can't be zero-initialized, cannot + be zero-initialized themselves. */ + if (CLASS_TYPE_P (t) && CLASSTYPE_NON_ZERO_INIT_P (t)) + return 0; + + return 1; +} + /* Table of valid C++ attributes. */ const struct attribute_spec cp_attribute_table[] = { @@ -2147,7 +2168,8 @@ cp_cannot_inline_tree_fn (fnp) && TI_PENDING_TEMPLATE_FLAG (DECL_TEMPLATE_INFO (fn))) { fn = *fnp = instantiate_decl (fn, /*defer_ok=*/0); - return TI_PENDING_TEMPLATE_FLAG (DECL_TEMPLATE_INFO (fn)); + if (TI_PENDING_TEMPLATE_FLAG (DECL_TEMPLATE_INFO (fn))) + return 1; } if (varargs_function_p (fn)) @@ -2262,6 +2284,11 @@ cp_copy_res_decl_for_inlining (result, fn, caller, decl_map_, DECL_SOURCE_FILE (var) = DECL_SOURCE_FILE (nrv); DECL_SOURCE_LINE (var) = DECL_SOURCE_LINE (nrv); DECL_ABSTRACT_ORIGIN (var) = DECL_ORIGIN (nrv); + /* Don't lose initialization info. */ + DECL_INITIAL (var) = DECL_INITIAL (nrv); + /* Don't forget that it needs to go in the stack. */ + TREE_ADDRESSABLE (var) = TREE_ADDRESSABLE (nrv); + splay_tree_insert (decl_map, (splay_tree_key) nrv, (splay_tree_value) var); |
