As $SUBJECT suggests. It is write-only; I'm not sure what it was ever
used for.
Tested on x86_64-unknonw-linux-gnu. OK to commit?
-Nathan
gcc/cp/
* cp-tree.h (TREE_NEGATED_INT): Delete.
* semantics.c (finish_unary_op_expr): Don't try to set it.
diff --git a/gcc/cp/cp-tree.h b/gcc/cp/cp-tree.h
index a65998d..899959e 100644
--- a/gcc/cp/cp-tree.h
+++ b/gcc/cp/cp-tree.h
@@ -2937,10 +2937,6 @@ more_aggr_init_expr_args_p (const
aggr_init_expr_arg_iterator *iter)
#define TYPENAME_IS_RESOLVING_P(NODE) \
(TREE_LANG_FLAG_2 (TYPENAME_TYPE_CHECK (NODE)))
-/* Nonzero in INTEGER_CST means that this int is negative by dint of
- using a twos-complement negated operand. */
-#define TREE_NEGATED_INT(NODE) TREE_LANG_FLAG_0 (INTEGER_CST_CHECK (NODE))
-
/* [class.virtual]
A class that declares or inherits a virtual function is called a
diff --git a/gcc/cp/semantics.c b/gcc/cp/semantics.c
index 815824a..99ca28b 100644
--- a/gcc/cp/semantics.c
+++ b/gcc/cp/semantics.c
@@ -2302,19 +2302,7 @@ tree
finish_unary_op_expr (enum tree_code code, tree expr)
{
tree result = build_x_unary_op (code, expr, tf_warning_or_error);
- /* Inside a template, build_x_unary_op does not fold the
- expression. So check whether the result is folded before
- setting TREE_NEGATED_INT. */
- if (code == NEGATE_EXPR && TREE_CODE (expr) == INTEGER_CST
- && TREE_CODE (result) == INTEGER_CST
- && !TYPE_UNSIGNED (TREE_TYPE (result))
- && INT_CST_LT (result, integer_zero_node))
- {
- /* RESULT may be a cached INTEGER_CST, so we must copy it before
- setting TREE_NEGATED_INT. */
- result = copy_node (result);
- TREE_NEGATED_INT (result) = 1;
- }
+
if (TREE_OVERFLOW_P (result) && !TREE_OVERFLOW_P (expr))
overflow_warning (input_location, result);