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This patch ensures __clear_cache is not called on arm. In earlier versions of
clang, this special builtin was emitted as a function call, leading to link
errors.
Introduced here: http://svnweb.freebsd.org/changeset/base/243830
Index: lib/Support/Unix/Memory.inc
===================================================================
--- lib/Support/Unix/Memory.inc
+++ lib/Support/Unix/Memory.inc
@@ -332,7 +332,7 @@ void Memory::InvalidateInstructionCache(const void
for (intptr_t Line = StartLine; Line < EndLine; Line += LineSize)
asm volatile("icbi 0, %0" : : "r"(Line));
asm volatile("isync");
-# elif (defined(__arm__) || defined(__aarch64__)) && defined(__GNUC__)
+# elif (defined(__arm__) || defined(__aarch64__)) && defined(__GNUC__) && !defined(__FreeBSD__)
// FIXME: Can we safely always call this for __GNUC__ everywhere?
const char *Start = static_cast<const char *>(Addr);
const char *End = Start + Len;
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