bpo-40502: Initialize n->n_col_offset (GH-19988)

* initialize n->n_col_offset

* 📜🤖 Added by blurb_it.

* Move initialization

Co-authored-by: nanjekyejoannah <[email protected]>
Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com>

Author: 3 people

Misc/NEWS.d/next/Core and Builtins/2020-05-08-03-25-26.bpo-40502.e-VCyL.rst

@@ -0,0 +1,2 @@
+Initialize ``n->n_col_offset``.
+(Patch by Joannah Nanjekye)

Parser/node.c

@@ -14,6 +14,7 @@ PyNode_New(int type)
     n->n_str = NULL;
     n->n_lineno = 0;
     n->n_end_lineno = 0;
+    n->n_col_offset = 0;
     n->n_end_col_offset = -1;
     n->n_nchildren = 0;
     n->n_child = NULL;