cccp.c (xrealloc): Call malloc given a NULL old pointer.

        * cccp.c (xrealloc): Call malloc given a NULL old pointer.
        * collect2.c, cppalloc.c, gcc.c, genattr.c, genattrtab.c: Likewise.
        * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
        * genflags.c, genopinit.c, genoutput.c, genpeep.c: Likewise.
        * genrecog.c, mips-tfile.c, protoize.c: Likewise.

From-SVN: r24806

1 files changed, 9 insertions, 5 deletions

diff --git a/gcc/genconfig.c b/gcc/genconfig.c
index 6a72e263da0..60c0e97d6bd 100644
--- a/gcc/genconfig.c
+++ b/gcc/genconfig.c
@@ -257,14 +257,18 @@ xmalloc (size)
 }
 
 PTR
-xrealloc (ptr, size)
-  PTR ptr;
+xrealloc (old, size)
+  PTR old;
   size_t size;
 {
-  register PTR result = (PTR) realloc (ptr, size);
-  if (!result)
+  register PTR ptr;
+  if (ptr)
+    ptr = (PTR) realloc (old, size);
+  else
+    ptr = (PTR) malloc (size);
+  if (!ptr)
     fatal ("virtual memory exhausted");
-  return result;
+  return ptr;
 }
 
 static void