[Bug debug/48703] segfault in canonicalize_for_substitution

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48703

--- Comment #2 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-04-21 
14:35:46 UTC ---
Author: rguenth
Date: Thu Apr 21 14:35:43 2011
New Revision: 172830

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=172830
Log:
2011-04-21  Richard Guenther  <rguent...@suse.de>

    PR lto/48703
    * tree.c (free_lang_data_in_decl): Do not zero TREE_TYPE of
    DECL_NAME.

    * g++.dg/lto/pr48207-2_0.C: New testcase.
    * g++.dg/lto/pr48207-3_0.C: Likewise.

Added:
    trunk/gcc/testsuite/g++.dg/lto/pr48207-2_0.C
    trunk/gcc/testsuite/g++.dg/lto/pr48207-3_0.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree.c