tsan: fix windows build

Currently fails with:

C:\workdir\compiler-rt\lib\tsan\go>gcc -c -o race_windows_amd64.syso gotsan.cc -I..\rtl -I..\.. -I..\..\sanitizer_common -I..\..\..\include -m64 -Wall -fno-exceptions -fno-rtti -DSANITIZER_GO -Wno-error=at
tributes -Wno-attributes -Wno-format -Wno-maybe-uninitialized -DSANITIZER_DEBUG=0 -O3 -fomit-frame-pointer -std=c++11 
gotsan.cc:9229:0: warning: ignoring #pragma comment  [-Wunknown-pragmas]
 #pragma comment(linker, "/alternatename:__sanitizer_print_memory_profile=__sanitizer_default_print_memory_profile") // NOLINT
 ^
gotsan.cc: In function 'void __sanitizer_print_memory_profile(int)':
gotsan.cc:9226:17: error: redefinition of 'void __sanitizer_print_memory_profile(int)'
 extern "C" void __sanitizer_print_memory_profile(int top_percent) {}
                 ^
gotsan.cc:6898:6: note: 'void __sanitizer_print_memory_profile(int)' previously defined here
 void __sanitizer_print_memory_profile(int top_percent) {


Remove __sanitizer_print_memory_profile from Go build, it is not needed.

llvm-svn: 285400

3 files changed, 5 insertions, 1 deletions

diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_common.cc b/compiler-rt/lib/sanitizer_common/sanitizer_common.cc
index 24c8a1727ad..70ee481ca10 100644
--- a/compiler-rt/lib/sanitizer_common/sanitizer_common.cc
+++ b/compiler-rt/lib/sanitizer_common/sanitizer_common.cc
@@ -489,7 +489,7 @@ int __sanitizer_install_malloc_and_free_hooks(void (*malloc_hook)(const void *,
   return InstallMallocFreeHooks(malloc_hook, free_hook);
 }
 
-#if !SANITIZER_SUPPORTS_WEAK_HOOKS
+#if !SANITIZER_GO && !SANITIZER_SUPPORTS_WEAK_HOOKS
 SANITIZER_INTERFACE_ATTRIBUTE SANITIZER_WEAK_ATTRIBUTE
 void __sanitizer_print_memory_profile(int top_percent) {
   (void)top_percent;
diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_common_libcdep.cc b/compiler-rt/lib/sanitizer_common/sanitizer_common_libcdep.cc
index 94ef2ee07e9..288ca9556dc 100644
--- a/compiler-rt/lib/sanitizer_common/sanitizer_common_libcdep.cc
+++ b/compiler-rt/lib/sanitizer_common/sanitizer_common_libcdep.cc
@@ -76,6 +76,7 @@ void SetAllocatorReleaseToOSCallback(AllocatorReleaseToOSCallback Callback) {
   ReleseCallback = Callback;
 }
 
+#if SANITIZER_LINUX && !SANITIZER_GO
 void BackgroundThread(void *arg) {
   uptr hard_rss_limit_mb = common_flags()->hard_rss_limit_mb;
   uptr soft_rss_limit_mb = common_flags()->soft_rss_limit_mb;
@@ -135,6 +136,7 @@ void BackgroundThread(void *arg) {
     }
   }
 }
+#endif
 
 void WriteToSyslog(const char *msg) {
   InternalScopedString msg_copy(kErrorMessageBufferSize);
diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_win.cc b/compiler-rt/lib/sanitizer_common/sanitizer_win.cc
index 1fd79231d17..36dc3225015 100644
--- a/compiler-rt/lib/sanitizer_common/sanitizer_win.cc
+++ b/compiler-rt/lib/sanitizer_common/sanitizer_win.cc
@@ -915,6 +915,7 @@ void GetMemoryProfile(fill_profile_f cb, uptr *stats, uptr stats_size) { }
 
 }  // namespace __sanitizer
 
+#if !SANITIZER_GO
 // Workaround to implement weak hooks on Windows. COFF doesn't directly support
 // weak symbols, but it does support /alternatename, which is similar. If the
 // user does not override the hook, we will use this default definition instead
@@ -926,5 +927,6 @@ extern "C" void __sanitizer_print_memory_profile(int top_percent) {}
 #else
 #pragma comment(linker, "/alternatename:___sanitizer_print_memory_profile=___sanitizer_default_print_memory_profile") // NOLINT
 #endif
+#endif
 
 #endif  // _WIN32