prevent null reference

1991-10-31 10:01:34 +00:00 · 1991-10-31 10:01:34 +00:00 · 2da0408b1a
commit 2da0408b1a
parent 72387765ad
1 changed files with 1 additions and 0 deletions
--- a/util/grind/db_symtab.g
+++ b/util/grind/db_symtab.g
@ -823,6 +823,7 @@ DbRead(f)
 			else line_file->on_mptr = n->on_mptr;
 			break;
 		case N_MAIN:
+			if (! FileScope) fatal("No file scope");
 			newfile(FileScope->sc_definedby->sy_idf);
 			break;
 		case N_SLINE: