[Bug rtl-optimization/89313] [9 Regression] ICE in process_alt_operands, at lra-constraints.c:2962

[bergner at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89313

--- Comment #7 from Peter Bergner <bergner at gcc dot gnu.org> ---
Author: bergner
Date: Wed Mar 27 16:59:15 2019
New Revision: 269969

URL: https://gcc.gnu.org/viewcvs?rev=269969&root=gcc&view=rev
Log:
gcc/
        PR rtl-optimization/89313
        * function.c (matching_constraint_num): New static function.
        (match_asm_constraints_1): Use it.  Fixup white space and comment.
        Don't replace inputs with non-matching constraints which conflict
        with early clobber outputs.

gcc/testsuite/
        PR rtl-optimization/89313
        * gcc.dg/pr89313.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/pr89313.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/function.c
    trunk/gcc/testsuite/ChangeLog