diff options
Diffstat (limited to 'gcc/cp/decl2.c')
| -rw-r--r-- | gcc/cp/decl2.c | 25 |
1 files changed, 17 insertions, 8 deletions
diff --git a/gcc/cp/decl2.c b/gcc/cp/decl2.c index fd48a21..db3035d 100644 --- a/gcc/cp/decl2.c +++ b/gcc/cp/decl2.c @@ -5567,6 +5567,22 @@ mark_used (tree decl, tsubst_flags_t complain) return false; } + if (VAR_OR_FUNCTION_DECL_P (decl) && DECL_LOCAL_DECL_P (decl)) + { + if (!DECL_LANG_SPECIFIC (decl)) + /* An unresolved dependent local extern. */ + return true; + + DECL_ODR_USED (decl) = 1; + auto alias = DECL_LOCAL_DECL_ALIAS (decl); + if (!alias || alias == error_mark_node) + return true; + + /* Process the underlying decl. */ + decl = alias; + TREE_USED (decl) = true; + } + cp_warn_deprecated_use (decl, complain); /* We can only check DECL_ODR_USED on variables or functions with @@ -5650,14 +5666,7 @@ mark_used (tree decl, tsubst_flags_t complain) && !DECL_ARTIFICIAL (decl) && !decl_defined_p (decl) && no_linkage_check (TREE_TYPE (decl), /*relaxed_p=*/false)) - { - if (is_local_extern (decl)) - /* There's no way to define a local extern, and adding it to - the vector interferes with GC, so give an error now. */ - no_linkage_error (decl); - else - vec_safe_push (no_linkage_decls, decl); - } + vec_safe_push (no_linkage_decls, decl); if (TREE_CODE (decl) == FUNCTION_DECL && DECL_DECLARED_INLINE_P (decl) |