[Win32 ABI] Defer operator delete checks until vtable is marked used

We were previously checking at every destructor declaration, but that was a bit
excessive. Since the deleting destructor is emitted with the vtable, do the
check when the vtable is marked used.

Differential Revision: http://llvm-reviews.chandlerc.com/D2851

llvm-svn: 202046

1 files changed, 0 insertions, 9 deletions

diff --git a/clang/lib/Sema/SemaDecl.cpp b/clang/lib/Sema/SemaDecl.cpp
index 8e1871037cc..266f66844e2 100644
--- a/clang/lib/Sema/SemaDecl.cpp
+++ b/clang/lib/Sema/SemaDecl.cpp
@@ -6290,15 +6290,6 @@ static FunctionDecl* CreateNewFunctionDecl(Sema &SemaRef, Declarator &D,
         SemaRef.AdjustDestructorExceptionSpec(Record, NewDD);
       }
 
-      // The Microsoft ABI requires that we perform the destructor body
-      // checks (i.e. operator delete() lookup) at every declaration, as
-      // any translation unit may need to emit a deleting destructor.
-      if (SemaRef.Context.getTargetInfo().getCXXABI().isMicrosoft() &&
-          !Record->isDependentType() && Record->getDefinition() &&
-          !Record->isBeingDefined() && !NewDD->isDeleted()) {
-        SemaRef.CheckDestructor(NewDD);
-      }
-
       IsVirtualOkay = true;
       return NewDD;