Issue #18722: Remove uses of the "register" keyword in C code.
diff --git a/Parser/node.c b/Parser/node.c
index 1e4f0da..b26ce61 100644
--- a/Parser/node.c
+++ b/Parser/node.c
@@ -76,7 +76,7 @@
 
 
 int
-PyNode_AddChild(register node *n1, int type, char *str, int lineno, int col_offset)
+PyNode_AddChild(node *n1, int type, char *str, int lineno, int col_offset)
 {
     const int nch = n1->n_nchildren;
     int current_capacity;