[Alignment] Introduce llvm::Align to MCSection

Summary:
This is patch is part of a series to introduce an Alignment type.
See this thread for context: http://lists.llvm.org/pipermail/llvm-dev/2019-July/133851.html
See this patch for the introduction of the type: https://reviews.llvm.org/D64790

Reviewers: courbet, JDevlieghere

Subscribers: arsenm, sdardis, jvesely, nhaehnle, sbc100, hiraditya, aheejin, jrtc27, atanasyan, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D67486

llvm-svn: 371831
diff --git a/llvm/lib/MC/MCELFStreamer.cpp b/llvm/lib/MC/MCELFStreamer.cpp
index 245dd06..816e742 100644
--- a/llvm/lib/MC/MCELFStreamer.cpp
+++ b/llvm/lib/MC/MCELFStreamer.cpp
@@ -139,7 +139,7 @@
                                            MCSection *Section) {
   if (Section && Assembler.isBundlingEnabled() && Section->hasInstructions() &&
       Section->getAlignment() < Assembler.getBundleAlignSize())
-    Section->setAlignment(Assembler.getBundleAlignSize());
+    Section->setAlignment(llvm::Align(Assembler.getBundleAlignSize()));
 }
 
 void MCELFStreamer::ChangeSection(MCSection *Section,
@@ -306,7 +306,7 @@
 
     // Update the maximum alignment of the section if necessary.
     if (ByteAlignment > Section.getAlignment())
-      Section.setAlignment(ByteAlignment);
+      Section.setAlignment(llvm::Align(ByteAlignment));
 
     SwitchSection(P.first, P.second);
   } else {