diff options
| author | Manuel López-Ibáñez <manu@gcc.gnu.org> | 2008-07-29 10:00:25 +0000 |
|---|---|---|
| committer | Manuel López-Ibáñez <manu@gcc.gnu.org> | 2008-07-29 10:00:25 +0000 |
| commit | e27fb29c0dec9ef1cf32fe44ecbf7a6fcc3f09a9 (patch) | |
| tree | f2de39c2d6ed6b532b2174d3e32c316cae390851 /gcc/cp/decl.c | |
| parent | 1fbfb0e27a982802abc2cdd4e5a7d5c4eff49f5e (diff) | |
| download | gcc-e27fb29c0dec9ef1cf32fe44ecbf7a6fcc3f09a9.zip gcc-e27fb29c0dec9ef1cf32fe44ecbf7a6fcc3f09a9.tar.gz gcc-e27fb29c0dec9ef1cf32fe44ecbf7a6fcc3f09a9.tar.bz2 | |
re PR c/34985 (Warning "defined but not used" despite __attribute__((__used__)))
2008-07-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
PR 34985
* c-decl.c (merge_decls): Merge USED flags.
cp/
* decl.c (duplicate_decls): Merge USED flags.
testsuite/
* gcc.dg/pr34985.c: New.
* g++.dg/warn/pr34985.C: New.
From-SVN: r138235
Diffstat (limited to 'gcc/cp/decl.c')
| -rw-r--r-- | gcc/cp/decl.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/cp/decl.c b/gcc/cp/decl.c index 2d9ccba..248b9b7 100644 --- a/gcc/cp/decl.c +++ b/gcc/cp/decl.c @@ -2056,6 +2056,12 @@ duplicate_decls (tree newdecl, tree olddecl, bool newdecl_is_friend) ggc_free (DECL_LANG_SPECIFIC (olddecl)); } + /* Merge the USED information. */ + if (TREE_USED (olddecl)) + TREE_USED (newdecl) = 1; + else if (TREE_USED (newdecl)) + TREE_USED (olddecl) = 1; + if (TREE_CODE (newdecl) == FUNCTION_DECL) { int function_size; |