[Bug c/68337] [MPX] memcpy() for arrays with function pointers results in huge resource usage and binaries

[ienkovich at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68337

--- Comment #3 from Ilya Enkovich <ienkovich at gcc dot gnu.org> ---
Author: ienkovich
Date: Tue Nov 24 09:45:20 2015
New Revision: 230796

URL: https://gcc.gnu.org/viewcvs?rev=230796&root=gcc&view=rev
Log:
gcc/

        PR c/68337
        * gimple-fold.c: Include ipa-chkp.h.
        (gimple_fold_builtin_memory_op): Don't fold call if we
        are going to instrument it and it may copy pointers.

gcc/testsuite/

        PR c/68337
        * gcc.target/i386/mpx/pr68337-1.c: New test.
        * gcc.target/i386/mpx/pr68337-2.c: New test.

Added:
    trunk/gcc/testsuite/gcc.target/i386/mpx/pr68337-1.c
    trunk/gcc/testsuite/gcc.target/i386/mpx/pr68337-2.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/gimple-fold.c
    trunk/gcc/testsuite/ChangeLog