diff options
| author | Paul Koning <ni1d@arrl.net> | 2012-10-23 18:44:27 +0000 |
|---|---|---|
| committer | Paul Koning <ni1d@arrl.net> | 2012-10-23 18:44:27 +0000 |
| commit | 105671ecf73cdfcacc5d6fa29f1235c11b8f9a47 (patch) | |
| tree | c683ea50ebea1be10dfc5c7e2eee5a1f7bfb42fc /gcc/dwarf2out.c | |
| parent | 9ce99b8c2650fef738948b397df1088b5b6a2035 (diff) | |
PR debug/54508
* dwarf2out.c (prune_unused_types_prune): If pruning a class and
not all its children were marked, add DW_AT_declaration flag.
* g++.dg/debug/dwarf2/pr54508.C: New.
git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@192739 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/dwarf2out.c')
| -rw-r--r-- | gcc/dwarf2out.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/gcc/dwarf2out.c b/gcc/dwarf2out.c index bc5868b6a25..bed3d67353a 100644 --- a/gcc/dwarf2out.c +++ b/gcc/dwarf2out.c @@ -21220,6 +21220,7 @@ static void prune_unused_types_prune (dw_die_ref die) { dw_die_ref c; + int pruned = 0; gcc_assert (die->die_mark); prune_unused_types_update_strings (die); @@ -21242,13 +21243,24 @@ prune_unused_types_prune (dw_die_ref die) prev->die_sib = c->die_sib; die->die_child = prev; } - return; + pruned = 1; + goto finished; } if (c != prev->die_sib) - prev->die_sib = c; + { + prev->die_sib = c; + pruned = 1; + } prune_unused_types_prune (c); } while (c != die->die_child); + + finished: + /* If we pruned children, and this is a class, mark it as a + declaration to inform debuggers that this is not a complete + class definition. */ + if (pruned && die->die_mark == 1 && class_scope_p (die)) + add_AT_flag (die, DW_AT_declaration, 1); } /* Remove dies representing declarations that we never use. */ |