[Bug tree-optimization/49618] When building uClibc with GCC 4.6.1 old_atexit is miscompiled

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49618

--- Comment #21 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-07-05 18:43:07 UTC ---
Author: jakub
Date: Tue Jul  5 18:43:04 2011
New Revision: 175884

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=175884
Log:
    PR tree-optimization/49618
    * tree-eh.c (tree_could_trap_p) <case CALL_EXPR>: For DECL_WEAK
    t recurse on the decl.
    <case FUNCTION_DECL, case VAR_DECL>: For DECL_WEAK decls
    return true if expr isn't known to be defined in current
    TU or some other LTO partition.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/tree-eh.c