From 7ff37ffa0865c4c7c5610009916d66927d14c258 Mon Sep 17 00:00:00 2001 From: Alexandre Oliva Date: Fri, 18 Jan 2013 10:57:58 +0000 Subject: re PR libmudflap/53359 (undefined reference to `__gnu_cxx::__numeric_traits_integer::__min') PR libmudflap/53359 * tree-mudflap.c (mudflap_finish_file): Skip deferred decls not found in the symtab. From-SVN: r195290 --- gcc/tree-mudflap.c | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'gcc/tree-mudflap.c') diff --git a/gcc/tree-mudflap.c b/gcc/tree-mudflap.c index 3c866bc..b250bfe 100644 --- a/gcc/tree-mudflap.c +++ b/gcc/tree-mudflap.c @@ -1334,6 +1334,16 @@ mudflap_finish_file (void) if (! TREE_PUBLIC (obj) && ! TREE_ADDRESSABLE (obj)) continue; + /* If we're neither emitting nor referencing the symbol, + don't register it. We have to register external symbols + if they happen to be in other files not compiled with + mudflap (say system libraries), and we must not register + internal symbols that we don't emit or they'll become + dangling references or force symbols to be emitted that + didn't have to. */ + if (!symtab_get_node (obj)) + continue; + if (! COMPLETE_TYPE_P (TREE_TYPE (obj))) { warning (OPT_Wmudflap, -- cgit v1.1