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libstdc++: Fix warnings with -Wsystem-headers

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libstdc++-v3/ChangeLog:

	* include/bits/stl_algobase.h (__find_if): Add FALLTHRU markers.
	* include/std/charconv (__detail::__to_chars): Avoid
	-Wsign-compare warning.
This commit is contained in:
Jonathan Wakely 2020-06-24 12:34:17 +01:00
parent be50843754
commit 25920dd18a
2 changed files with 4 additions and 1 deletions
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3
libstdc++-v3/include/bits/stl_algobase.h
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@ -2092,14 +2092,17 @@ _GLIBCXX_END_NAMESPACE_ALGO
if (__pred(__first)) if (__pred(__first))
return __first; return __first;
++__first; ++__first;
// FALLTHRU
case 2: case 2:
if (__pred(__first)) if (__pred(__first))
return __first; return __first;
++__first; ++__first;
// FALLTHRU
case 1: case 1:
if (__pred(__first)) if (__pred(__first))
return __first; return __first;
++__first; ++__first;
// FALLTHRU
case 0: case 0:
default: default:
return __last; return __last;

2
libstdc++-v3/include/std/charconv
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@ -142,7 +142,7 @@ namespace __detail
'u', 'v', 'w', 'x', 'y', 'z' 'u', 'v', 'w', 'x', 'y', 'z'
}; };
while (__val >= __base) while (__val >= (unsigned)__base)
{ {
auto const __quo = __val / __base; auto const __quo = __val / __base;
auto const __rem = __val % __base; auto const __rem = __val % __base;