* dbxout.c (dbxout_block): Reinstate test on TREE_USED.

	* tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.	* dbxout.c (dbxout_block): Reinstate test on TREE_USED.
	* tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@146289 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 0a16ea8..ab237e8 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
+
+       * dbxout.c (dbxout_block): Reinstate test on TREE_USED.
+       * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.
+
 2009-04-17  Richard Guenther  <rguenther@suse.de>
 
        * tree-ssa-structalias.c (get_constraint_for_component_ref):

diff --git a/gcc/dbxout.c b/gcc/dbxout.c
index dc63c7c..2182d78 100644 (file)
--- a/gcc/dbxout.c
+++ b/gcc/dbxout.c
@@ -3594,7 +3594,7 @@ dbxout_block (tree block, int depth, tree args)
   while (block)
     {
       /* Ignore blocks never expanded or otherwise marked as real.  */
-      if (TREE_ASM_WRITTEN (block))
+      if (TREE_USED (block) && TREE_ASM_WRITTEN (block))
        {
          int did_output;
          int blocknum = BLOCK_NUMBER (block);

diff --git a/gcc/tree-ssa-live.c b/gcc/tree-ssa-live.c
index fa24745..5f3b9d8 100644 (file)
--- a/gcc/tree-ssa-live.c
+++ b/gcc/tree-ssa-live.c
@@ -595,6 +595,8 @@ remove_unused_scope_block_p (tree scope)
    /* Verfify that only blocks with source location set
       are entry points to the inlined functions.  */
      gcc_assert (BLOCK_SOURCE_LOCATION (scope) == UNKNOWN_LOCATION);
+
+   TREE_USED (scope) = !unused;
    return unused;
 }