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re PR debug/40666 (Ada tools build failure) 

PR debug/40666
	* dbxout.c (dbxout_symbol) <PARM_DECL>: Deal with parameters pointing
	to variables for debugging purposes.

From-SVN: r149347
This commit is contained in:
Eric Botcazou 2009-07-07 20:46:41 +00:00 committed by Eric Botcazou
parent 1282788334
commit f9ce7e7648
2 changed files with 15 additions and 3 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2009-07-07 Eric Botcazou <ebotcazou@adacore.com>
PR debug/40666
* dbxout.c (dbxout_symbol) <PARM_DECL>: Deal with parameters pointing
to variables for debugging purposes.
2009-07-07 Jakub Jelinek <jakub@redhat.com>
PR middle-end/40669

12
gcc/dbxout.c
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@ -2761,9 +2761,15 @@ dbxout_symbol (tree decl, int local ATTRIBUTE_UNUSED)
}
case PARM_DECL:
/* Parm decls go in their own separate chains
and are output by dbxout_reg_parms and dbxout_parms. */
gcc_unreachable ();
if (DECL_HAS_VALUE_EXPR_P (decl))
decl = DECL_VALUE_EXPR (decl);
/* PARM_DECLs go in their own separate chain and are output by
dbxout_reg_parms and dbxout_parms, except for those that are
disguised VAR_DECLs like Out parameters in Ada. */
gcc_assert (TREE_CODE (decl) == VAR_DECL);
/* ... fall through ... */
case RESULT_DECL:
case VAR_DECL: