[gcc(refs/users/marxin/heads/slp-function-v5)] libstdc++: Fix warnings with -Wsystem-headers
Martin Liska
marxin@gcc.gnu.org
Thu Jun 25 10:08:28 GMT 2020
https://gcc.gnu.org/g:25920dd18ad12ea501309b1487366e22f35db631
commit 25920dd18ad12ea501309b1487366e22f35db631
Author: Jonathan Wakely <jwakely@redhat.com>
Date: Wed Jun 24 12:34:17 2020 +0100
libstdc++: Fix warnings with -Wsystem-headers
libstdc++-v3/ChangeLog:
* include/bits/stl_algobase.h (__find_if): Add FALLTHRU markers.
* include/std/charconv (__detail::__to_chars): Avoid
-Wsign-compare warning.
Diff:
---
libstdc++-v3/include/bits/stl_algobase.h | 3 +++
libstdc++-v3/include/std/charconv | 2 +-
2 files changed, 4 insertions(+), 1 deletion(-)
diff --git a/libstdc++-v3/include/bits/stl_algobase.h b/libstdc++-v3/include/bits/stl_algobase.h
index 4fc8850d707..ff5b4505a08 100644
--- a/libstdc++-v3/include/bits/stl_algobase.h
+++ b/libstdc++-v3/include/bits/stl_algobase.h
@@ -2092,14 +2092,17 @@ _GLIBCXX_END_NAMESPACE_ALGO
if (__pred(__first))
return __first;
++__first;
+ // FALLTHRU
case 2:
if (__pred(__first))
return __first;
++__first;
+ // FALLTHRU
case 1:
if (__pred(__first))
return __first;
++__first;
+ // FALLTHRU
case 0:
default:
return __last;
diff --git a/libstdc++-v3/include/std/charconv b/libstdc++-v3/include/std/charconv
index 77a72d40dd0..8fbf64058ee 100644
--- a/libstdc++-v3/include/std/charconv
+++ b/libstdc++-v3/include/std/charconv
@@ -142,7 +142,7 @@ namespace __detail
'u', 'v', 'w', 'x', 'y', 'z'
};
- while (__val >= __base)
+ while (__val >= (unsigned)__base)
{
auto const __quo = __val / __base;
auto const __rem = __val % __base;
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