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-rw-r--r--compiler-rt/lib/interception/interception.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/compiler-rt/lib/interception/interception.h b/compiler-rt/lib/interception/interception.h
index 00675341830..eb5ff8f487b 100644
--- a/compiler-rt/lib/interception/interception.h
+++ b/compiler-rt/lib/interception/interception.h
@@ -30,8 +30,8 @@ typedef __sanitizer::s64 INTMAX_T;
// WARNING: OFF_T may be different from OS type off_t, depending on the value of
// _FILE_OFFSET_BITS. This definition of OFF_T matches the ABI of system calls
// like pread and mmap, as opposed to pread64 and mmap64.
-// Mac is special.
-#ifdef __APPLE__
+// Mac and Linux/x86-64 are special.
+#if defined(__APPLE__) || (defined(__linux__) && defined(__x86_64__))
typedef __sanitizer::u64 OFF_T;
#else
typedef __sanitizer::uptr OFF_T;
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