diff --git a/clang/lib/CodeGen/CodeGenModule.cpp b/clang/lib/CodeGen/CodeGenModule.cpp
index 9617de8..1199112 100644
--- a/clang/lib/CodeGen/CodeGenModule.cpp
+++ b/clang/lib/CodeGen/CodeGenModule.cpp
@@ -583,6 +583,9 @@
   if (D->hasAttr<ColdAttr>())
     F->addFnAttr(llvm::Attributes::OptimizeForSize);
 
+  if (D->hasAttr<MinSizeAttr>())
+    F->addFnAttr(llvm::Attributes::MinSize);
+
   if (isa<CXXConstructorDecl>(D) || isa<CXXDestructorDecl>(D))
     F->setUnnamedAddr(true);