[Bug lto/55660] [4.7/4.8 Regression] ICE instead of some warning during lto build with supplied different options (-funsigned-char vs none)

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55660



--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> 2012-12-13 
11:13:19 UTC ---

Author: rguenth

Date: Thu Dec 13 11:13:13 2012

New Revision: 194473



URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=194473

Log:

2012-12-13  Richard Biener  <rguent...@suse.de>



    PR lto/55660

    * tree-streamer.c (record_common_node): Check that we are not

    recursively pre-loading nodes we want to skip.  Handle

    char_type_node appearing as part of va_list_type_node.



    * gcc.dg/lto/pr55660_0.c: New testcase.

    * gcc.dg/lto/pr55660_1.c: Likewise.



Added:

    trunk/gcc/testsuite/gcc.dg/lto/pr55660_0.c

    trunk/gcc/testsuite/gcc.dg/lto/pr55660_1.c

Modified:

    trunk/gcc/ChangeLog

    trunk/gcc/testsuite/ChangeLog

    trunk/gcc/tree-streamer.c