From a1c3672f1295e35976b874e4922186e1ea5fb24d Mon Sep 17 00:00:00 2001
From: Richard Stallman <rms@gnu.org>
Date: Mon, 27 Sep 1993 23:56:36 +0000
Subject: (xrealloc): Handle 0 passed as BLOCK.

From-SVN: r5492
---
 gcc/bi-lexer.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'gcc')

diff --git a/gcc/bi-lexer.c b/gcc/bi-lexer.c
index 954638a..7bfc57e 100644
--- a/gcc/bi-lexer.c
+++ b/gcc/bi-lexer.c
@@ -56,7 +56,7 @@ xrealloc (block, nbytes)
      char *block;
      int nbytes;
 {
-  char *tmp = realloc (block, nbytes);
+  char *tmp = block ? realloc (block, nbytes) : malloc (nbytes);
 
   if (!tmp)
     {
-- 
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