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Fixing warning under Clang 6.x (-Wexpansion-to-defined) where the macro expansion producing 'defined' was warning on undefined behavior.

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drivehappy 2017-08-15 11:41:46 -07:00
parent e0d24cc84a
commit a23e198cca
1 changed files with 5 additions and 2 deletions
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7
src/google/protobuf/stubs/port.h
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@ -256,8 +256,11 @@ static const uint64 kuint64max = GOOGLE_ULONGLONG(0xFFFFFFFFFFFFFFFF);
# define GOOGLE_PROTOBUF_USE_UNALIGNED 0
#else
// x86 and x86-64 can perform unaligned loads/stores directly.
# define GOOGLE_PROTOBUF_USE_UNALIGNED defined(_M_X64) || \
defined(__x86_64__) || defined(_M_IX86) || defined(__i386__)
# if defined(_M_X64) || defined(__x86_64__) || defined(_M_IX86) || defined(__i386__)
# define GOOGLE_PROTOBUF_USE_UNALIGNED 1
# else
# define GOOGLE_PROTOBUF_USE_UNALIGNED 0
# endif
#endif
#if GOOGLE_PROTOBUF_USE_UNALIGNED