r261914 - in /branches/gcc-7-branch/gcc: Change...

[jakub@gcc.gnu.org]

Author: jakub
Date: Fri Jun 22 20:31:10 2018
New Revision: 261914

URL: https://gcc.gnu.org/viewcvs?rev=261914&root=gcc&view=rev
Log:
	Backported from mainline
	2018-03-08  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/84739
	* tree-tailcall.c (find_tail_calls): Check call arguments against
	DECL_ARGUMENTS (current_function_decl) rather than
	DECL_ARGUMENTS (func) when checking for tail recursion.

	* gcc.dg/pr84739.c: New test.

Added:
    branches/gcc-7-branch/gcc/testsuite/gcc.dg/pr84739.c
Modified:
    branches/gcc-7-branch/gcc/ChangeLog
    branches/gcc-7-branch/gcc/testsuite/ChangeLog
    branches/gcc-7-branch/gcc/tree-tailcall.c