diff options
| author | Richard Guenther <rguenther@suse.de> | 2010-11-18 14:11:00 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2010-11-18 14:11:00 +0000 |
| commit | d96283a052cc3e9db9c7fc3e1cf3f85632611de2 (patch) | |
| tree | b2c49004f166fcec255984c6e6153956e4cc6b9a /gcc | |
| parent | 8a510ddbcf92c274d72175c28a4291fb60bba68f (diff) | |
| download | gcc-d96283a052cc3e9db9c7fc3e1cf3f85632611de2.zip gcc-d96283a052cc3e9db9c7fc3e1cf3f85632611de2.tar.gz gcc-d96283a052cc3e9db9c7fc3e1cf3f85632611de2.tar.bz2 | |
re PR lto/45089 (-Os -g -fwhopr dwarf2out ICE)
2010-11-18 Richard Guenther <rguenther@suse.de>
PR lto/45089
* dwarf2out.c (add_AT_die_ref): Work around LTO losing types
when checking is not enabled.
From-SVN: r166904
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/dwarf2out.c | 9 |
2 files changed, 15 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 3e589d2..9490dd3 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,11 @@ 2010-11-18 Richard Guenther <rguenther@suse.de> + PR lto/45089 + * dwarf2out.c (add_AT_die_ref): Work around LTO losing types + when checking is not enabled. + +2010-11-18 Richard Guenther <rguenther@suse.de> + PR lto/46525 * gimple.c (gimple_register_type): Update TYPE_MAIN_VARIANT of type leaders. diff --git a/gcc/dwarf2out.c b/gcc/dwarf2out.c index 4eade28..ea3852e 100644 --- a/gcc/dwarf2out.c +++ b/gcc/dwarf2out.c @@ -7362,6 +7362,15 @@ add_AT_die_ref (dw_die_ref die, enum dwarf_attribute attr_kind, dw_die_ref targ_ { dw_attr_node attr; +#ifdef ENABLE_CHECKING + gcc_assert (targ_die != NULL); +#else + /* With LTO we can end up trying to reference something we didn't create + a DIE for. Avoid crashing later on a NULL referenced DIE. */ + if (targ_die == NULL) + return; +#endif + attr.dw_attr = attr_kind; attr.dw_attr_val.val_class = dw_val_class_die_ref; attr.dw_attr_val.v.val_die_ref.die = targ_die; |