cppinit.c (merge_include_chains): Check for brack being NULL before attempting…

cppinit.c (merge_include_chains): Check for brack being NULL before attempting to merge it with qtail. * cppinit.c (merge_include_chains): Check for brack being NULL before attempting to merge it with qtail. From-SVN: r49814

cppinit.c (merge_include_chains): Check for brack being NULL before attempting…
cppinit.c (merge_include_chains): Check for brack being NULL before attempting to merge it with qtail. * cppinit.c (merge_include_chains): Check for brack being NULL before attempting to merge it with qtail. From-SVN: r49814
afb58288 · Zack Weinberg · Zack Weinberg · d2af4dbd · afb58288 · afb58288
Commit afb58288 authored Feb 17, 2002 by Zack Weinberg Committed by Zack Weinberg Feb 17, 2002
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gcc/ChangeLog
+5 -0

gcc/cppinit.c
+2 -1

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--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
+2002-02-16  Zack Weinberg  <zack@codesourcery.com>
+
+	* cppinit.c (merge_include_chains): Check for brack being
+	NULL before attempting to merge it with qtail.
+
 2002-02-16  Andrew Cagney  <ac131313@redhat.com>

 	* config/rs6000/netbsd.h (PREFERRED_DEBUGGING_TYPE): Set to

--- a/gcc/cppinit.c
+++ b/gcc/cppinit.c
@@ -376,7 +376,8 @@ merge_include_chains (pfile)
      qtail->next = brack;

      /* If brack == qtail, remove brack as it's simpler.  */
-      if (INO_T_EQ (qtail->ino, brack->ino) && qtail->dev == brack->dev)
+      if (brack && INO_T_EQ (qtail->ino, brack->ino)
+	  && qtail->dev == brack->dev)
 	brack = remove_dup_dir (pfile, qtail);
    }
  else