[Bug preprocessor/51061] Deprecated -I- option causes segfault

[paolo at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51061

--- Comment #4 from paolo at gcc dot gnu.org <paolo at gcc dot gnu.org> 2011-11-09 17:26:42 UTC ---
Author: paolo
Date: Wed Nov  9 17:26:37 2011
New Revision: 181216

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=181216
Log:
2011-11-09  Paolo Carlini  <paolo.carlini@oracle.com>

    PR preprocessor/51061
    * incpath.c (merge_include_chains): Make sure to not pass null
    pointers to free_path.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/incpath.c