[sanitizer] Fix Solaris build.

Use `#if SANITIZER_LINUX` instead of `#if defined(...)`.

diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_linux_libcdep.cpp b/compiler-rt/lib/sanitizer_common/sanitizer_linux_libcdep.cpp
index e3b2cab..6136581 100644 (file)
--- a/compiler-rt/lib/sanitizer_common/sanitizer_linux_libcdep.cpp
+++ b/compiler-rt/lib/sanitizer_common/sanitizer_linux_libcdep.cpp
@@ -924,7 +924,7 @@ static uptr MmapSharedNoReserve(uptr addr, uptr size) {
 
 static uptr MremapCreateAlias(uptr base_addr, uptr alias_addr,
                               uptr alias_size) {
-#if defined(SANITIZER_LINUX)
+#if SANITIZER_LINUX
   return internal_mremap(reinterpret_cast<void *>(base_addr), 0, alias_size,
                          MREMAP_MAYMOVE | MREMAP_FIXED,
                          reinterpret_cast<void *>(alias_addr));