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| author | Richard Guenther <rguenther@suse.de> | 2010-08-25 14:05:28 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2010-08-25 14:05:28 +0000 |
| commit | 1cf01301ac5e4b5f1d128dbc735620fe01421f98 (patch) | |
| tree | 5be829b0ffed7290b19e398a7f2b7765810a510d /gcc/gimple.c | |
| parent | a2c0ed2ee91b8e30a47466ce3a18779248718c1b (diff) | |
| download | gcc-1cf01301ac5e4b5f1d128dbc735620fe01421f98.zip gcc-1cf01301ac5e4b5f1d128dbc735620fe01421f98.tar.gz gcc-1cf01301ac5e4b5f1d128dbc735620fe01421f98.tar.bz2 | |
re PR tree-optimization/44562 (ICE: in get_alias_set, at alias.c:716 with -flto -fstrict-aliasing -fgraphite-identity)
2010-08-25 Richard Guenther <rguenther@suse.de>
PR lto/44562
* lto-streamer.c (lto_record_common_node): Do not mess with
TYPE_CANONICAL when not in lto.
* gimple.c (gimple_register_type): Likewise.
* gcc.dg/graphite/id-27.c: New testcase.
* gcc.dg/lto/20100825-1_0.c: Likewise.
From-SVN: r163545
Diffstat (limited to 'gcc/gimple.c')
| -rw-r--r-- | gcc/gimple.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/gcc/gimple.c b/gcc/gimple.c index 9d5c61b..50b2eab 100644 --- a/gcc/gimple.c +++ b/gcc/gimple.c @@ -4215,8 +4215,9 @@ gimple_register_type (tree t) gcc_assert (TYPE_P (t)); /* In TYPE_CANONICAL we cache the result of gimple_register_type. - It is initially set to NULL during LTO streaming. */ - if (TYPE_CANONICAL (t)) + It is initially set to NULL during LTO streaming. + But do not mess with TYPE_CANONICAL when not in WPA or link phase. */ + if (in_lto_p && TYPE_CANONICAL (t)) return TYPE_CANONICAL (t); /* Always register the main variant first. This is important so we @@ -4282,12 +4283,14 @@ gimple_register_type (tree t) TYPE_NEXT_REF_TO (t) = NULL_TREE; } - TYPE_CANONICAL (t) = new_type; + if (in_lto_p) + TYPE_CANONICAL (t) = new_type; t = new_type; } else { - TYPE_CANONICAL (t) = t; + if (in_lto_p) + TYPE_CANONICAL (t) = t; *slot = (void *) t; } |