(xrealloc): Handle 0 passed as BLOCK.

From-SVN: r5492

(xrealloc): Handle 0 passed as BLOCK.
From-SVN: r5492
a1c3672f · Richard Stallman · cd7fd682 · a1c3672f
Commit a1c3672f authored Sep 27, 1993 by Richard Stallman
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gcc/bi-lexer.c
+1 -1

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--- 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)
    {