--- files/patch-src_gcc_gcc_tree-vect-loop.c	(nonexistent)
+++ files/patch-src_gcc_gcc_tree-vect-loop.c	(working copy)
@@ -0,0 +1,11 @@ 
+--- src/gcc/gcc/tree-vect-loop.c.orig	2019-12-02 09:49:15 UTC
++++ src/gcc/gcc/tree-vect-loop.c
+@@ -55,6 +55,8 @@ along with GCC; see the file COPYING3.  If not see
+ #include "vec-perm-indices.h"
+ #include "tree-eh.h"
+ 
++#define vec_step vec_step_
++
+ /* Loop Vectorization Pass.
+ 
+    This pass tries to vectorize loops.