diff options
Diffstat (limited to 'gcc/c-decl.c')
| -rw-r--r-- | gcc/c-decl.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/gcc/c-decl.c b/gcc/c-decl.c index 50b7219..0614476 100644 --- a/gcc/c-decl.c +++ b/gcc/c-decl.c @@ -1872,7 +1872,13 @@ implicitly_declare (functionid) warning_with_decl (decl, "previous declaration of `%s'"); C_DECL_IMPLICIT (decl) = 1; } - return pushdecl (decl); + /* If this function is global, then it must already be in the + global binding level, so there's no need to push it again. */ + if (current_binding_level == global_binding_level) + return decl; + /* If this is a local declaration, make a copy; we can't have + the same DECL listed in two different binding levels. */ + return pushdecl (copy_node (decl)); } /* Not seen before. */ |