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Output DWARF debug information for global 'using' declarations, instead

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of just blowing up. A very similar change to this exists which is
GPLv3 licensed, this is my own change.

This problem was triggered by running the Boost regression tests.

See also:	http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31899
Reviewed by:	luigi
Approved by:	re (kib)
This commit is contained in:
Bruce M Simpson 2009-07-22 01:07:11 +00:00
parent a08362ce46
commit f667763060
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=195815
1 changed files with 1 additions and 1 deletions
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contrib/gcc/dwarf2out.c
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@ -10007,7 +10007,7 @@ reference_to_unused (tree * tp, int * walk_subtrees,
return NULL_TREE;
else if (!cgraph_global_info_ready
&& (TREE_CODE (*tp) == VAR_DECL || TREE_CODE (*tp) == FUNCTION_DECL))
gcc_unreachable ();
return *tp;
else if (DECL_P (*tp) && TREE_CODE (*tp) == VAR_DECL)
{
struct cgraph_varpool_node *node = cgraph_varpool_node (*tp);