tree.c (tree_size): Do not waste tail padding in struct tree_string and make the size be the same...

2006-06-28  Andrew Pinski  <pinskia@gmail.com>

        * tree.c (tree_size): Do not waste tail padding in
        struct tree_string and make the size be the same as
        build_string will generate.

From-SVN: r115072

2 files changed, 7 insertions, 1 deletions

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 8044ed5..4814be3 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2006-06-28  Andrew Pinski  <pinskia@gmail.com>
+
+	* tree.c (tree_size): Do not waste tail padding in
+	struct tree_string and make the size be the same as
+	build_string will generate.
+
 2006-06-28  Jason Merrill  <jason@redhat.com>
 
 	PR c++/27768
diff --git a/gcc/tree.c b/gcc/tree.c
index e0e6716..02e7c7c 100644
--- a/gcc/tree.c
+++ b/gcc/tree.c
@@ -419,7 +419,7 @@ tree_size (tree node)
 	      + (TREE_VEC_LENGTH (node) - 1) * sizeof(char *));
 
     case STRING_CST:
-      return sizeof (struct tree_string) + TREE_STRING_LENGTH (node) - 1;
+      return TREE_STRING_LENGTH (node) + offsetof (struct tree_string, str) + 1;
 
     case OMP_CLAUSE:
       return (sizeof (struct tree_omp_clause)