[MSan] Prepare for splitting msan_new_delete.cc into a separate library. NFC.

llvm-svn: 235926

compiler-rt/lib/msan/msan.cc

@@ -360,8 +360,6 @@ void __msan_init() {
   InitializeInterceptors();
   InstallAtExitHandler(); // Needs __cxa_atexit interceptor.
 
-  if (MSAN_REPLACE_OPERATORS_NEW_AND_DELETE)
-    ReplaceOperatorsNewAndDelete();
   DisableCoreDumperIfNecessary();
   if (StackSizeIsUnlimited()) {
     VPrintf(1, "Unlimited stack, doing reexec\n");

compiler-rt/lib/msan/msan.h

@@ -131,7 +131,6 @@ void *MsanReallocate(StackTrace *stack, void *oldp, uptr size,
 void MsanDeallocate(StackTrace *stack, void *ptr);
 void InstallTrapHandler();
 void InstallAtExitHandler();
-void ReplaceOperatorsNewAndDelete();
 
 const char *GetStackOriginDescr(u32 id, uptr *pc);
 

compiler-rt/lib/msan/msan_new_delete.cc

@@ -19,13 +19,6 @@
 
 #include <stddef.h>
 
-namespace __msan {
-// This function is a no-op. We need it to make sure that object file
-// with our replacements will actually be loaded from static MSan
-// run-time library at link-time.
-void ReplaceOperatorsNewAndDelete() { }
-}
-
 using namespace __msan;  // NOLINT
 
 // Fake std::nothrow_t to avoid including <new>.