[gcc r12-2933] libstdc++: Use qualified-id for class member constant [PR101937]
Jonathan Wakely
redi@gcc.gnu.org
Mon Aug 16 16:52:48 GMT 2021
https://gcc.gnu.org/g:6c25932ac399423b09b730fb8f894ada568deb2a
commit r12-2933-g6c25932ac399423b09b730fb8f894ada568deb2a
Author: Jonathan Wakely <jwakely@redhat.com>
Date: Mon Aug 16 15:35:58 2021 +0100
libstdc++: Use qualified-id for class member constant [PR101937]
The expression ctx._M_indent is not a constant expression when ctx is a
reference parameter, even though _M_indent is an enumerator. Rename it
to _S_indent to be consistent with our conventions, and refer to it as
PrintContext::_S_indent to be valid C++ code (at least until P2280 is
accepted as a DR).
Signed-off-by: Jonathan Wakely <jwakely@redhat.com>
libstdc++-v3/ChangeLog:
PR libstdc++/101937
* src/c++11/debug.cc (PrintContext::_M_indent): Replace with a
static data member.
(print_word): Use qualified-id to access it.
Diff:
---
libstdc++-v3/src/c++11/debug.cc | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/libstdc++-v3/src/c++11/debug.cc b/libstdc++-v3/src/c++11/debug.cc
index 33d76bfcaab..0128535135e 100644
--- a/libstdc++-v3/src/c++11/debug.cc
+++ b/libstdc++-v3/src/c++11/debug.cc
@@ -573,8 +573,8 @@ namespace
: _M_max_length(78), _M_column(1), _M_first_line(true), _M_wordwrap(false)
{ get_max_length(_M_max_length); }
+ static constexpr int _S_indent = 4;
std::size_t _M_max_length;
- enum { _M_indent = 4 } ;
std::size_t _M_column;
bool _M_first_line;
bool _M_wordwrap;
@@ -603,7 +603,7 @@ namespace
if (length == 0)
return;
- // Consider first '\n' at begining cause it impacts column.
+ // First consider '\n' at the beginning because it impacts the column.
if (word[0] == '\n')
{
fprintf(stderr, "\n");
@@ -625,8 +625,8 @@ namespace
// If this isn't the first line, indent
if (ctx._M_column == 1 && !ctx._M_first_line)
{
- const char spacing[ctx._M_indent + 1] = " ";
- print_raw(ctx, spacing, ctx._M_indent);
+ const char spacing[PrintContext::_S_indent + 1] = " ";
+ print_raw(ctx, spacing, PrintContext::_S_indent);
}
int written = fprintf(stderr, "%.*s", (int)length, word);
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