1 files changed, 8 insertions, 4 deletions
diff --git a/llvm/lib/MC/MCMachOStreamer.cpp b/llvm/lib/MC/MCMachOStreamer.cpp
index 8c3332c..a214513 100644
--- a/llvm/lib/MC/MCMachOStreamer.cpp
+++ b/llvm/lib/MC/MCMachOStreamer.cpp
@@ -140,6 +140,8 @@ void MCMachOStreamer::changeSection(MCSection *Section, uint32_t Subsection) {
     MCSymbol *Label = getContext().createLinkerPrivateTempSymbol();
     Section->setBeginSymbol(Label);
     HasSectionLabel[Section] = true;
+    if (!Label->isInSection())
+      emitLabel(Label);
   }
 }
 
@@ -441,13 +443,13 @@ void MCMachOStreamer::finishImpl() {
   // Set the fragment atom associations by tracking the last seen atom defining
   // symbol.
   for (MCSection &Sec : getAssembler()) {
-    cast<MCSectionMachO>(Sec).allocAtoms();
+    static_cast<MCSectionMachO &>(Sec).allocAtoms();
     const MCSymbol *CurrentAtom = nullptr;
     size_t I = 0;
     for (MCFragment &Frag : Sec) {
       if (const MCSymbol *Symbol = DefiningSymbolMap.lookup(&Frag))
         CurrentAtom = Symbol;
-      cast<MCSectionMachO>(Sec).setAtom(I++, CurrentAtom);
+      static_cast<MCSectionMachO &>(Sec).setAtom(I++, CurrentAtom);
     }
   }
 
@@ -482,7 +484,8 @@ void MCMachOStreamer::finalizeCGProfile() {
   // For each entry, reserve space for 2 32-bit indices and a 64-bit count.
   size_t SectionBytes =
       W.getCGProfile().size() * (2 * sizeof(uint32_t) + sizeof(uint64_t));
-  (*CGProfileSection->begin()).appendContents(SectionBytes, 0);
+  (*CGProfileSection->begin())
+      .setVarContents(std::vector<char>(SectionBytes, 0));
 }
 
 MCStreamer *llvm::createMachOStreamer(MCContext &Context,
@@ -518,5 +521,6 @@ void MCMachOStreamer::createAddrSigSection() {
   // (instead of emitting a zero-sized section) so these relocations are
   // technically valid, even though we don't expect these relocations to
   // actually be applied by the linker.
-  Frag->appendContents(8, 0);
+  constexpr char zero[8] = {};
+  Frag->setVarContents(zero);
 }