gcc: Fix typo in increment expression in unicode from libstdc++

This issue is seen when libstdc++ headers are used by clang18
see - https://github.com/llvm/llvm-project/issues/92586

(From OE-Core rev: 1506b779014b09ffd618b2e5d95aa00ff91d6f45)

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Khem Raj
2024-06-12 19:00:37 -07:00
committed by Richard Purdie
parent c79c8ce71c
commit 5cb8d94644
2 changed files with 77 additions and 0 deletions

View File

@@ -68,6 +68,7 @@ SRC_URI = "${BASEURI} \
file://0023-Fix-install-path-of-linux64.h.patch \
file://0024-Avoid-hardcoded-build-paths-into-ppc-libgcc.patch \
file://0025-gcc-testsuite-tweaks-for-mips-OE.patch \
file://0026-libstdc-Fix-typo-in-_Grapheme_cluster_view-_Iterator.patch \
"
S = "${TMPDIR}/work-shared/gcc-${PV}-${PR}/${SOURCEDIR}"

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@@ -0,0 +1,76 @@
From c9e05b03c18e898be604ab90401476e9c473cc52 Mon Sep 17 00:00:00 2001
From: Jonathan Wakely <jwakely@redhat.com>
Date: Thu, 16 May 2024 17:15:55 +0100
Subject: [PATCH] libstdc++: Fix typo in _Grapheme_cluster_view::_Iterator
[PR115119]
libstdc++-v3/ChangeLog:
PR libstdc++/115119
* include/bits/unicode.h (_Iterator::operator++(int)): Fix typo
in increment expression.
* testsuite/ext/unicode/grapheme_view.cc: Check post-increment
on view's iterator.
Drop it when upgrading to 14.2
Upstream-Status: Backport [https://github.com/gcc-mirror/gcc/commit/c9e05b03c18e898be604ab90401476e9c473cc52]
Signed-off-by: Khem Raj <raj.khem@gmail.com>
---
libstdc++-v3/include/bits/unicode.h | 6 ++++--
libstdc++-v3/testsuite/ext/unicode/grapheme_view.cc | 11 +++++++++++
2 files changed, 15 insertions(+), 2 deletions(-)
diff --git a/libstdc++-v3/include/bits/unicode.h b/libstdc++-v3/include/bits/unicode.h
index 46238143fb6..a14a17c5dfc 100644
--- a/libstdc++-v3/include/bits/unicode.h
+++ b/libstdc++-v3/include/bits/unicode.h
@@ -34,10 +34,12 @@
#include <array>
#include <bit> // bit_width
#include <charconv> // __detail::__from_chars_alnum_to_val_table
+#include <string_view>
#include <cstdint>
#include <bits/stl_algo.h>
#include <bits/stl_iterator.h>
-#include <bits/ranges_base.h>
+#include <bits/ranges_base.h> // iterator_t, sentinel_t, input_range, etc.
+#include <bits/ranges_util.h> // view_interface
namespace std _GLIBCXX_VISIBILITY(default)
{
@@ -802,7 +804,7 @@ inline namespace __v15_1_0
operator++(int)
{
auto __tmp = *this;
- ++this;
+ ++*this;
return __tmp;
}
diff --git a/libstdc++-v3/testsuite/ext/unicode/grapheme_view.cc b/libstdc++-v3/testsuite/ext/unicode/grapheme_view.cc
index ac1e8c50b05..a3bb36e14b8 100644
--- a/libstdc++-v3/testsuite/ext/unicode/grapheme_view.cc
+++ b/libstdc++-v3/testsuite/ext/unicode/grapheme_view.cc
@@ -83,10 +83,21 @@ test_breaks()
VERIFY( iter == gv.end() );
}
+constexpr void
+test_pr115119()
+{
+ // PR 115119 Typo in _Grapheme_cluster_view::_Iterator::operator++(int)
+ uc::_Grapheme_cluster_view gv(" "sv);
+ auto it = std::ranges::begin(gv);
+ it++;
+ VERIFY( it == std::ranges::end(gv) );
+}
+
int main()
{
auto run_tests = []{
test_breaks();
+ test_pr115119();
return true;
};