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| author | Gabriel Dos Reis <gdr@integrable-solutions.net> | 2005-12-08 09:01:22 +0000 |
|---|---|---|
| committer | Gabriel Dos Reis <gdr@gcc.gnu.org> | 2005-12-08 09:01:22 +0000 |
| commit | 9783dd389a02fdd570f04597e424e1482ff60760 (patch) | |
| tree | 40b538fc3161e9b7a1b73e9e7869037429265408 | |
| parent | 4989e88a3f50d66dc805d984f1c5b2e9a5f6cf31 (diff) | |
| download | gcc-9783dd389a02fdd570f04597e424e1482ff60760.zip gcc-9783dd389a02fdd570f04597e424e1482ff60760.tar.gz gcc-9783dd389a02fdd570f04597e424e1482ff60760.tar.bz2 | |
* tree.h (DECL_EXTERNAL): Clarify documentation.
From-SVN: r108221
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/tree.h | 7 |
2 files changed, 10 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 6113f45..e67b713 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +2005-12-08 Gabriel Dos Reis <gdr@integrable-solutions.net> + + * tree.h (DECL_EXTERNAL): Clarify documentation. + 2005-12-08 Andreas Krebbel <krebbel1@de.ibm.com> Jakub Jelinek <jakub@redhat.com> @@ -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 |