diff options
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/dwarf2out.c | 14 |
2 files changed, 20 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 31cddc0..ffb6de4 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2007-03-30 Jan Hubicka <jh@suse.cz> + + PR middle-end/PR30700 + * dwarf2out.c (reference_to_unused): Ask cgraph for functions + availablility; add more sanity checking; ask varpool only about + VAR_DECL. + 2007-03-29 Richard Henderson <rth@redhat.com> * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG diff --git a/gcc/dwarf2out.c b/gcc/dwarf2out.c index fa00452..57c8617 100644 --- a/gcc/dwarf2out.c +++ b/gcc/dwarf2out.c @@ -10121,12 +10121,24 @@ reference_to_unused (tree * tp, int * walk_subtrees, if (DECL_P (*tp) && ! TREE_PUBLIC (*tp) && ! TREE_USED (*tp) && ! TREE_ASM_WRITTEN (*tp)) return *tp; - else if (DECL_P (*tp) && TREE_CODE (*tp) != FUNCTION_DECL) + else if (!flag_unit_at_a_time) + return NULL_TREE; + else if (!cgraph_global_info_ready + && (TREE_CODE (*tp) == VAR_DECL || TREE_CODE (*tp) == FUNCTION_DECL)) + gcc_unreachable (); + else if (DECL_P (*tp) && TREE_CODE (*tp) == VAR_DECL) { struct varpool_node *node = varpool_node (*tp); if (!node->needed) return *tp; } + else if (DECL_P (*tp) && TREE_CODE (*tp) == FUNCTION_DECL + && (!DECL_EXTERNAL (*tp) || DECL_DECLARED_INLINE_P (*tp))) + { + struct cgraph_node *node = cgraph_node (*tp); + if (!node->output) + return *tp; + } return NULL_TREE; } |