PR debug/47106

PR debug/47402
* tree-flow-inline.h (clear_is_used, is_used_p): New.
* cfgexpand.c (account_used_vars_for_block): Use them.
* tree-nrv.c (tree_nrv): Likewise.
* tree-ssa-live.c (remove_unused_scope_block_p): Likewise.
(dump_scope_block): Likewise.
(remove_unused_locals): Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@169515 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 18 insertions, 1 deletions

diff --git a/gcc/tree-flow-inline.h b/gcc/tree-flow-inline.h
index 1a62cdd1f44..23eb3d826de 100644
--- a/gcc/tree-flow-inline.h
+++ b/gcc/tree-flow-inline.h
@@ -569,9 +569,26 @@ static inline void
 set_is_used (tree var)
 {
   var_ann_t ann = get_var_ann (var);
-  ann->used = 1;
+  ann->used = true;
 }
 
+/* Clear VAR's used flag.  */
+
+static inline void
+clear_is_used (tree var)
+{
+  var_ann_t ann = var_ann (var);
+  ann->used = false;
+}
+
+/* Return true if VAR is marked as used.  */
+
+static inline bool
+is_used_p (tree var)
+{
+  var_ann_t ann = var_ann (var);
+  return ann->used;
+}
 
 /* Return true if T (assumed to be a DECL) is a global variable.
    A variable is considered global if its storage is not automatic.  */