https://gcc.gnu.org/g:4f2324623178ec10c449b59e46f23e2731d3fa6e

commit r17-2049-g4f2324623178ec10c449b59e46f23e2731d3fa6e
Author: Alfie Richards <[email protected]>
Date:   Wed May 20 14:13:20 2026 +0000

    vect: Add null check for ptr_incr optional in vect_create_data_ref_ptr
    
    gcc/ChangeLog:
    
            * tree-vect-data-refs.cc (vect_create_data_ref_ptr): Check for null
            pntr_incr.

Diff:
---
 gcc/tree-vect-data-refs.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/gcc/tree-vect-data-refs.cc b/gcc/tree-vect-data-refs.cc
index 3b27beb9c5b6..6311e0d03df2 100644
--- a/gcc/tree-vect-data-refs.cc
+++ b/gcc/tree-vect-data-refs.cc
@@ -5878,7 +5878,8 @@ vect_create_data_ref_ptr (vec_info *vinfo, stmt_vec_info 
stmt_info,
     {
       gcc_assert (bb_vinfo);
       only_init = true;
-      *ptr_incr = NULL;
+      if (ptr_incr)
+       *ptr_incr = NULL;
     }
 
   /* Create an expression for the first address accessed by this load

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