MC/Mach-O: Set SOME_INSTRUCTIONS bit for sections.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95135 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/MC/MCAssembler.h

@@ -348,7 +348,11 @@ private:
 
   /// Fixups - The list of fixups in this section.
   std::vector<Fixup> Fixups;
-  
+
+  /// HasInstructions - Whether this section has had instructions emitted into
+  /// it.
+  unsigned HasInstructions : 1;
+
   /// @}
 
 public:    
@@ -429,6 +433,9 @@ public:
   }
   void setFileSize(uint64_t Value) { FileSize = Value; }  
 
+  bool hasInstructions() const { return HasInstructions; }
+  void setHasInstructions(bool Value) { HasInstructions = Value; }
+
   /// @}
 };