patch 8.2.1855: Vim9: get error message when nothing is wrong

Problem:    Vim9: get error message when nothing is wrong.
Solution:   Check called_emsg instead of did_emsg. (closes #7143)
diff --git a/src/vim9compile.c b/src/vim9compile.c
index 7415624..edfa325 100644
--- a/src/vim9compile.c
+++ b/src/vim9compile.c
@@ -6642,7 +6642,9 @@
     else if (eap->regname != NUL)
 	++line;
 
-    // TODO: if the range is something like "$" need to evaluate at runtime
+    // "errormsg" will not be set because the range is ADDR_LINES.
+    // TODO: if the range contains something like "$" or "." need to evaluate
+    // at runtime
     if (parse_cmd_address(eap, &errormsg, FALSE) == FAIL)
 	return NULL;
     if (eap->addr_count == 0)
@@ -7399,7 +7401,7 @@
 	if (errormsg != NULL)
 	    emsg(errormsg);
 	else if (called_emsg == called_emsg_before)
-	    emsg(_(e_compile_def_function_failed));
+	    emsg(_(e_compiling_def_function_failed));
     }
 
     current_sctx = save_current_sctx;