[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 #11 from kugan at gcc dot gnu.org ---
Author: kugan
Date: Tue Sep 27 03:41:14 2016
New Revision: 240517

URL: https://gcc.gnu.org/viewcvs?rev=240517&root=gcc&view=rev
Log:
Fix ipa-vrp convert value_range

gcc/ChangeLog:

2016-09-27  Kugan Vivekanandarajah  <kuganv@linaro.org>

        PR ipa/77677
        * ipa-prop.c (ipa_compute_jump_functions_for_edge): Use
        extract_range_from_unary_expr to convert value_range.
        * tree-vrp.c (extract_range_from_unary_expr_1): Rename to.
        (extract_range_from_unary_expr): This.
        * tree-vrp.h (extract_range_from_unary_expr): Declare.

gcc/testsuite/ChangeLog:

2016-09-27  Kugan Vivekanandarajah  <kuganv@linaro.org>

        PR ipa/77677
        * gcc.dg/torture/pr77677-2.c: New test.


Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr77677-2.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/ipa-prop.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vrp.c
    trunk/gcc/tree-vrp.h