[Bug ipa/63795] ipa-icf ICE with noreturn functions (test case builtin-noret-1.c)

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63795

--- Comment #2 from Martin Liška <marxin at gcc dot gnu.org> ---
Author: marxin
Date: Tue Nov 11 14:58:21 2014
New Revision: 217355

URL: https://gcc.gnu.org/viewcvs?rev=217355&root=gcc&view=rev
Log:
PR ipa/63622

        PR ipa/63795
    * g++.dg/ipa/ipa-icf-4.C: Add more precise dump scan.
    * g++.dg/ipa/ipa-icf-5.C: Add condition for target
    with symbol alias support.
    * ipa-icf.c (sem_function::merge): Add new target symbol alias
    support guard.
    (sem_variable::merge): Likewise.
    * ipa-icf.h (target_supports_symbol_aliases_p): New function.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/ipa-icf.c
    trunk/gcc/ipa-icf.h
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/g++.dg/ipa/ipa-icf-4.C
    trunk/gcc/testsuite/g++.dg/ipa/ipa-icf-5.C