[Bug c/87811] [9 Regression] ICE with __builtin_expect_with_probability

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87811

--- Comment #2 from Martin Liška <marxin at gcc dot gnu.org> ---
Author: marxin
Date: Mon Nov  5 07:33:30 2018
New Revision: 265785

URL: https://gcc.gnu.org/viewcvs?rev=265785&root=gcc&view=rev
Log:
Verify that last argument of __builtin_expect_with_probability is a real cst
(PR c/87811).

2018-11-05  Martin Liska  <mli...@suse.cz>

        PR c/87811
        * predict.c (expr_expected_value_1): Verify
        that last argument is a real constants and emit
        error.
2018-11-05  Martin Liska  <mli...@suse.cz>

        PR c/87811
        * gcc.dg/pr87811.c: New test.
        * gcc.dg/pr87811-2.c: Likewise.
        * gcc.dg/pr87811-3.c: Likewise.
2018-11-05  Martin Liska  <mli...@suse.cz>

        PR c/87811
        * doc/extend.texi: Update constrain about the last argument
        of __builtin_expect_with_probability.

Added:
    trunk/gcc/testsuite/gcc.dg/pr87811-2.c
    trunk/gcc/testsuite/gcc.dg/pr87811-3.c
    trunk/gcc/testsuite/gcc.dg/pr87811.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/doc/extend.texi
    trunk/gcc/predict.c
    trunk/gcc/testsuite/ChangeLog