patch 8.2.3341: Vim9: function call aborted despite try/catch

Problem:    Vim9: function call aborted despite try/catch. (Naohiro Ono)
Solution:   Ignore error caught by try/catch. (closes #8755)
diff --git a/src/vim9execute.c b/src/vim9execute.c
index 04d5e5f..4562a08 100644
--- a/src/vim9execute.c
+++ b/src/vim9execute.c
@@ -844,12 +844,13 @@
 }
 
 /*
- * Return TRUE if an error was given or CTRL-C was pressed.
+ * Return TRUE if an error was given (not caught in try/catch) or CTRL-C was
+ * pressed.
  */
     static int
-vim9_aborting(int prev_called_emsg)
+vim9_aborting(int prev_uncaught_emsg)
 {
-    return called_emsg > prev_called_emsg || got_int || did_throw;
+    return uncaught_emsg > prev_uncaught_emsg || got_int || did_throw;
 }
 
 /*
@@ -882,12 +883,13 @@
 
     if (ufunc == NULL)
     {
-	int called_emsg_before = called_emsg;
+	int prev_uncaught_emsg = uncaught_emsg;
 
 	if (script_autoload(name, TRUE))
 	    // loaded a package, search for the function again
 	    ufunc = find_func(name, FALSE, NULL);
-	if (vim9_aborting(called_emsg_before))
+
+	if (vim9_aborting(prev_uncaught_emsg))
 	    return FAIL;  // bail out if loading the script caused an error
     }