r245843 - in /trunk/gcc: ChangeLog cprop.c test...

[jakub@gcc.gnu.org]

Author: jakub
Date: Thu Mar  2 16:02:37 2017
New Revision: 245843

URL: https://gcc.gnu.org/viewcvs?rev=245843&root=gcc&view=rev
Log:
	PR rtl-optimization/79780
	* cprop.c (one_cprop_pass): When second and further conditional trap
	in a single basic block is turned into an unconditional trap, turn it
	into a deleted note to avoid RTL verification failures.

	* gcc.c-torture/compile/pr79780.c: New test.

Added:
    trunk/gcc/testsuite/gcc.c-torture/compile/pr79780.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/cprop.c
    trunk/gcc/testsuite/ChangeLog