diff options
Diffstat (limited to 'gcc/tree.h')
| -rw-r--r-- | gcc/tree.h | 7 |
1 files changed, 6 insertions, 1 deletions
@@ -2144,7 +2144,12 @@ struct tree_memory_tag GTY(()) #define DECL_LANG_SPECIFIC(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.lang_specific) /* In a VAR_DECL or FUNCTION_DECL, nonzero means external reference: - do not allocate storage, and refer to a definition elsewhere. */ + do not allocate storage, and refer to a definition elsewhere. Note that + this does not necessarily imply the entity represented by NODE + has no program source-level definition in this translation unit. For + example, for a FUNCTION_DECL, DECL_SAVED_TREE may be non-NULL and + DECL_EXTERNAL may be true simultaneously; that can be the case for + a C99 "extern inline" function. */ #define DECL_EXTERNAL(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.decl_flag_2) /* In a VAR_DECL for a RECORD_TYPE, sets number for non-init_priority |