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| author | Richard Guenther <rguenther@suse.de> | 2007-01-30 10:23:01 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2007-01-30 10:23:01 +0000 |
| commit | 9b1959ffcaa3fab49a90eb25f32a815ac22c2a85 (patch) | |
| tree | b5a56ddd28e97ab2018cadc459d5d5b909830ce6 /gcc/dwarf2out.c | |
| parent | 91851351be38a6b83bff486fd25cf364910af35a (diff) | |
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re PR middle-end/27657 (bogus undefined reference error to static var with -g and -O)
2007-01-30 Richard Guenther <rguenther@suse.de>
PR middle-end/27657
* dwarf2out.c (reference_to_unused): Query varpool if the
variable was output.
* g++.dg/debug/pr27657.C: New testcase.
From-SVN: r121335
Diffstat (limited to 'gcc/dwarf2out.c')
| -rw-r--r-- | gcc/dwarf2out.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/gcc/dwarf2out.c b/gcc/dwarf2out.c index 6cd3435..2968d3b 100644 --- a/gcc/dwarf2out.c +++ b/gcc/dwarf2out.c @@ -10045,8 +10045,14 @@ 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 - return NULL_TREE; + else if (DECL_P (*tp) && TREE_CODE (*tp) != FUNCTION_DECL) + { + struct varpool_node *node = varpool_node (*tp); + if (!node->needed) + return *tp; + } + + return NULL_TREE; } /* Generate an RTL constant from a decl initializer INIT with decl type TYPE, |