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Diffstat (limited to 'gcc/c-decl.c')
| -rw-r--r-- | gcc/c-decl.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/c-decl.c b/gcc/c-decl.c index bdb6819..7929aa8 100644 --- a/gcc/c-decl.c +++ b/gcc/c-decl.c @@ -1862,6 +1862,12 @@ merge_decls (tree newdecl, tree olddecl, tree newtype, tree oldtype) extern_changed = DECL_EXTERNAL (olddecl) && !DECL_EXTERNAL (newdecl); + /* Merge the USED information. */ + if (TREE_USED (olddecl)) + TREE_USED (newdecl) = 1; + else if (TREE_USED (newdecl)) + TREE_USED (olddecl) = 1; + /* Copy most of the decl-specific fields of NEWDECL into OLDDECL. But preserve OLDDECL's DECL_UID and DECL_CONTEXT. */ { |