[Bug tree-optimization/88074] [7/8/9 Regression] g++ hangs on math expression

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88074

--- Comment #30 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Tue Feb 19 12:46:48 2019
New Revision: 269015

URL: https://gcc.gnu.org/viewcvs?rev=269015&root=gcc&view=rev
Log:
2019-02-19  Richard Biener  <rguent...@suse.de>

        PR middle-end/88074
        * toplev.c (do_compile): Initialize mpfr's exponent range
        based on available float modes.

        * gcc.dg/pr88074.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/pr88074.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/toplev.c