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| author | Ian Lance Taylor <iant@google.com> | 2009-06-12 19:43:25 +0000 |
|---|---|---|
| committer | Ian Lance Taylor <ian@gcc.gnu.org> | 2009-06-12 19:43:25 +0000 |
| commit | 3d8b2a98ca3c4d46030c839ad89ed7f3800a9fbf (patch) | |
| tree | b9bfc85db3cdd44094798b79ced86e5d51c66281 /gcc/fold-const.c | |
| parent | 737142ced7510afcd0144c866d9169ac7cbf3fb6 (diff) | |
| download | gcc-3d8b2a98ca3c4d46030c839ad89ed7f3800a9fbf.zip gcc-3d8b2a98ca3c4d46030c839ad89ed7f3800a9fbf.tar.gz gcc-3d8b2a98ca3c4d46030c839ad89ed7f3800a9fbf.tar.bz2 | |
cpplib.h (struct cpp_options): Add warn_cxx_operator_names field.
libcpp/:
* include/cpplib.h (struct cpp_options): Add
warn_cxx_operator_names field.
(NODE_WARN_OPERATOR): Define.
(struct cpp_hashnode): Increase flags field to 10 bits, decrease
type to 6 bits.
* init.c (mark_named_operators): Add flags parameter.
(cpp_post_options): Pick flags value to pass to
mark_named_operators.
* lex.c (lex_identifier): If NODE_WARN_OPERATOR is set, warn that
identifier is an operator name in C++.
gcc/:
* fold-const.c (fold_unary): Rename local variable and to
and_expr.
* c-opts.c (c_common_handle_option): For -Wc++-compat set
cpp_opts->warn_cxx_operator_names.
gcc/testsuite/:
* gcc.dg/Wcxx-compat-13.c: New testcase.
From-SVN: r148438
Diffstat (limited to 'gcc/fold-const.c')
| -rw-r--r-- | gcc/fold-const.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/gcc/fold-const.c b/gcc/fold-const.c index ab3942f..433ec60 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -8290,13 +8290,14 @@ fold_unary (enum tree_code code, tree type, tree op0) && TREE_CODE (op0) == BIT_AND_EXPR && TREE_CODE (TREE_OPERAND (op0, 1)) == INTEGER_CST) { - tree and = op0; - tree and0 = TREE_OPERAND (and, 0), and1 = TREE_OPERAND (and, 1); + tree and_expr = op0; + tree and0 = TREE_OPERAND (and_expr, 0); + tree and1 = TREE_OPERAND (and_expr, 1); int change = 0; - if (TYPE_UNSIGNED (TREE_TYPE (and)) + if (TYPE_UNSIGNED (TREE_TYPE (and_expr)) || (TYPE_PRECISION (type) - <= TYPE_PRECISION (TREE_TYPE (and)))) + <= TYPE_PRECISION (TREE_TYPE (and_expr)))) change = 1; else if (TYPE_PRECISION (TREE_TYPE (and1)) <= HOST_BITS_PER_WIDE_INT |