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| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/tree-mudflap.c | 10 |
2 files changed, 16 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 6eff629..9763bca 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,11 @@ 2013-01-18 Alexandre Oliva <aoliva@redhat.com> + PR libmudflap/53359 + * tree-mudflap.c (mudflap_finish_file): Skip deferred decls + not found in the symtab. + +2013-01-18 Alexandre Oliva <aoliva@redhat.com> + PR rtl-optimization/55547 PR rtl-optimization/53827 PR debug/53671 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, |