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Export of internal Abseil changes.

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b7d4f72ebb8a052cb2c6dfbfb628200eb64585c5 by CJ Johnson <johnsoncj@google.com>:

`Hash` -> `H` for AbslHashValue in InlinedVector

PiperOrigin-RevId: 229765535

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ecceb8dc7eb9fe576dd0b8f0e95b5d3c3e92795d by Abseil Team <absl-team@google.com>:

fix ubsan error in Mutex on arm32

PiperOrigin-RevId: 229744897
GitOrigin-RevId: b7d4f72ebb8a052cb2c6dfbfb628200eb64585c5
Change-Id: Ic0fd2252f9838d5fceffc808d05a09a8bc872efc
This commit is contained in:
Abseil Team 2019-01-17 09:48:22 -08:00 committed by Alex Strelnikov
parent 5e6a78131f
commit efccc50260
2 changed files with 8 additions and 8 deletions
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14
absl/container/inlined_vector.h
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@ -808,8 +808,8 @@ class InlinedVector {
}
private:
template <typename Hash, typename TheT, size_t TheN, typename TheA>
friend Hash AbslHashValue(Hash, const InlinedVector<TheT, TheN, TheA>& vec);
template <typename H, typename TheT, size_t TheN, typename TheA>
friend H AbslHashValue(H, const InlinedVector<TheT, TheN, TheA>& vector);
// Holds whether the vector is allocated or not in the lowest bit and the size
// in the high bits:
@ -1358,11 +1358,11 @@ bool operator>=(const InlinedVector<T, N, A>& a,
//
// Provides `absl::Hash` support for inlined vectors. You do not normally call
// this function directly.
template <typename Hash, typename TheT, size_t TheN, typename TheA>
Hash AbslHashValue(Hash hash, const InlinedVector<TheT, TheN, TheA>& vec) {
auto p = vec.data();
auto n = vec.size();
return Hash::combine(Hash::combine_contiguous(std::move(hash), p, n), n);
template <typename H, typename TheT, size_t TheN, typename TheA>
H AbslHashValue(H hash, const InlinedVector<TheT, TheN, TheA>& vector) {
auto p = vector.data();
auto n = vector.size();
return H::combine(H::combine_contiguous(std::move(hash), p, n), n);
}
// -----------------------------------------------------------------------------

2
absl/synchronization/mutex.cc
View file

@ -1841,7 +1841,7 @@ static void CheckForMutexCorruption(intptr_t v, const char* label) {
// Test for either of two situations that should not occur in v:
// kMuWriter and kMuReader
// kMuWrWait and !kMuWait
const intptr_t w = v ^ kMuWait;
const uintptr_t w = v ^ kMuWait;
// By flipping that bit, we can now test for:
// kMuWriter and kMuReader in w
// kMuWrWait and kMuWait in w