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[compiler-rt] Fix definition of usize on 32-bit Windows #106151

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Merged
merged 2 commits into from
Aug 27, 2024
Merged

[compiler-rt] Fix definition of usize on 32-bit Windows #106151

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6e565d9
[𝘀𝗽𝗿] initial version
arichardson Aug 26, 2024
f3152d6
only changing usize to minimize impact
arichardson Aug 27, 2024
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9 changes: 9 additions & 0 deletions compiler-rt/lib/sanitizer_common/sanitizer_internal_defs.h
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Original file line number Diff line number Diff line change
Expand Up @@ -194,7 +194,16 @@ typedef u64 OFF64_T;
#ifdef __SIZE_TYPE__
typedef __SIZE_TYPE__ usize;
#else
// Since we use this for operator new, usize must match the real size_t, but on
// 32-bit Windows the definition of uptr does not actually match uintptr_t or
// size_t because we are working around typedef mismatches for the (S)SIZE_T
// types used in interception.h.
// Until the definition of uptr has been fixed we have to special case Win32.
# if SANITIZER_WINDOWS && SANITIZER_WORDSIZE == 32
typedef unsigned int usize;
# else
typedef uptr usize;
# endif
#endif

typedef u64 tid_t;
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