re PR c/39084 (ice on struct redefinition)

	PR c/39084
	* c-decl.c (start_struct): Return NULL on error.

From-SVN: r144067

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 229aa485e8999d15acb0db8fa1012162db497554..45662503f8bc2bee867914e3d37744319ecc0fe3 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2009-02-10  Steve Ellcey  <sje@cup.hp.com>
+
+       PR c/39084
+       * c-decl.c (start_struct): Return NULL on error.
+
 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
 
        PR middle-end/39124

diff --git a/gcc/c-decl.c b/gcc/c-decl.c
index 9fadad385c9221b2f2ab2e2b41bbc24952404dfc..491e7bbbaf51ec41763a265849e32e796c339484 100644 (file)
--- a/gcc/c-decl.c
+++ b/gcc/c-decl.c
@@ -5367,6 +5367,8 @@ start_struct (enum tree_code code, tree name)
            error ("redefinition of %<union %E%>", name);
          else
            error ("redefinition of %<struct %E%>", name);
+         /* Don't create structures using a name already in use.  */
+         ref = NULL_TREE;
        }
       else if (C_TYPE_BEING_DEFINED (ref))
        {