patch 8.2.3126: Vim9: for loop error reports wrong line number Commit: https://github.com/vim/vim/commit/d4ab807d62c1a8262e78deb674c6750183bc030a Author: Bram Moolenaar <Bram@vim.org> Date: Thu Jul 8 19:22:12 2021 +0200 patch 8.2.3126: Vim9: for loop error reports wrong line number Problem: Vim9: for loop error reports wrong line number. Solution: Save and restore the line number when evaluating the expression. (closes #8514)

--- a/src/ex_eval.c
+++ b/src/ex_eval.c
@@ -1225,9 +1225,14 @@ ex_while(exarg_T *eap)
 	    }
 	    else
 	    {
+		long save_lnum = SOURCING_LNUM;
+
 		// Evaluate the argument and get the info in a structure.
 		fi = eval_for_line(eap->arg, &error, eap, &evalarg);
 		cstack->cs_forinfo[cstack->cs_idx] = fi;
+
+		// Errors should use the first line number.
+		SOURCING_LNUM = save_lnum;
 	    }
 
 	    // use the element at the start of the list and advance