(layout_record): Handle NULL dsize.

From-SVN: r1592

diff --git a/gcc/stor-layout.c b/gcc/stor-layout.c
index 7c4ef96b3cf39d1008153792dc863fcef18d4068..e2202844ceda94c9356327f9976d21d0b9f30e9f 100644 (file)
--- a/gcc/stor-layout.c
+++ b/gcc/stor-layout.c
@@ -430,7 +430,12 @@ layout_record (rec)
       {
         register tree dsize = DECL_SIZE (field);
 
-       if (TREE_CODE (dsize) == INTEGER_CST)
+       /* This can happen when we have an invalid nested struct definition,
+          such as struct j { struct j { int i; } }.  The error message is
+          printed in finish_struct.  */
+       if (dsize == 0)
+         /* Do nothing.  */;
+       else if (TREE_CODE (dsize) == INTEGER_CST)
          const_size += TREE_INT_CST_LOW (dsize);
        else
          {