[gcc r12-5110] vect: remove unused variable in complex numbers detection code.

[gcc r12-5110] vect: remove unused variable in complex numbers detection code.

[Tamar Christina]

https://gcc.gnu.org/g:5cfa174e08e4964703387aa7de5ece448cc660b8

commit r12-5110-g5cfa174e08e4964703387aa7de5ece448cc660b8
Author: Tamar Christina <tamar.christina@arm.com>
Date:   Wed Nov 10 12:01:50 2021 +0000

    vect: remove unused variable in complex numbers detection code.
    
    This removed an unused variable that clang seems to catch when
    compiling GCC with Clang.
    
    gcc/ChangeLog:
    
            * tree-vect-slp-patterns.c (complex_mul_pattern::matches): Remove l1node.

Diff:
---
 gcc/tree-vect-slp-patterns.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/gcc/tree-vect-slp-patterns.c b/gcc/tree-vect-slp-patterns.c
index e08a15ebd92..53fbe5185f5 100644
--- a/gcc/tree-vect-slp-patterns.c
+++ b/gcc/tree-vect-slp-patterns.c
@@ -946,7 +946,6 @@ complex_mul_pattern::matches (complex_operation_t op,
 
   auto childs = *ops;
   auto l0node = SLP_TREE_CHILDREN (childs[0]);
-  auto l1node = SLP_TREE_CHILDREN (childs[1]);
 
   bool mul0 = vect_match_expression_p (l0node[0], MULT_EXPR);
   bool mul1 = vect_match_expression_p (l0node[1], MULT_EXPR);