[Bug tree-optimization/77677] [7 Regression] ICE at -O1 and above in both 32-bit and 64-bit modes on x86_64-linux-gnu (internal compiler error: in set_value_range, at tree-vrp.c:361)

[kugan at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77677

--- Comment #8 from kugan at gcc dot gnu.org ---
Author: kugan
Date: Fri Sep 23 10:25:09 2016
New Revision: 240420

URL: https://gcc.gnu.org/viewcvs?rev=240420&root=gcc&view=rev
Log:
Drop TREE_OVERFLOW

gcc/ChangeLog:

2016-09-23  Kugan Vivekanandarajah  <kuganv@linaro.org>

        PR ipa/77677
        * ipa-cp.c (propagate_vr_accross_jump_function): Drop TREE_OVERFLOW
        from constant while creating value range.

gcc/testsuite/ChangeLog:

2016-09-23  Kugan Vivekanandarajah  <kuganv@linaro.org>

        PR ipa/77677
        * gcc.dg/torture/pr77677.c: New test.



Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr77677.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/ipa-cp.c
    trunk/gcc/testsuite/ChangeLog