From: ceriel <none@none>
Date: Thu, 31 Oct 1991 10:01:34 +0000 (+0000)
Subject: prevent null reference
X-Git-Tag: release-5-5~671
X-Git-Url: https://git.ndcode.org/public/gitweb.cgi?a=commitdiff_plain;h=0b32f6d32fd8b986ae1085c223ca0ed5ae81e8ce;p=ack.git

prevent null reference
---

diff --git a/util/grind/db_symtab.g b/util/grind/db_symtab.g
index 4f8bff13c..d39801ddd 100644
--- 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: