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);